Easy To Use Patents Search & Patent Lawyer Directory

At Patents you can conduct a Patent Search, File a Patent Application, find a Patent Attorney, or search available technology through our Patent Exchange. Patents are available using simple keyword or date criteria. If you are looking to hire a patent attorney, you've come to the right place. Protect your idea and hire a patent lawyer.

Searching: South Dakota





Search by keyword, patent number, inventor, assignee, city or state:




Patent # Description
US-D249,665 Front discharge mixer truck
US-4,114,786 Garment hanger
A garment hanger having a body member and a pair of side arms pivotally attached to the body member, a vertical stem and pair of links each link being pivotally...
US-4,114,400 Safety sleeve
A safety sleeve for exposed rotating shafts, in particular, for cylindrical shafts with smooth outer surfaces. The safety sleeve includes an enclosure member...
US-4,113,107 Machine gun rack
An upstanding rack is provided including upstanding horizontally spaced apart opposite side uprights, horizontal base structure extending between the lower ends...
US-4,112,820 Tamper-proof axial tumbler type lock
An axial tumbler type lock having a split cylinder within a stationary lock casing contains a set of regular spring-urged split tumblers which bridge the shear...
US-4,111,445 Device for supporting a paraplegic in an upright position
A device for assisting paraplegics in standing and moving about. The device includes a platform mounted on casters so as to be movable and body restraining means...
US-4,106,645 Means for quick attachment of implement to a tractor
A device for the easy and quick connection of a front mounted implement to a tractor including a hook means adapted to lift the device and spring-loaded pin...
US-4,103,123 Grounding device
A procedure and apparatus for increasing the ease and safety of making grounding connections in electrical distribution systems having access areas including...
US-4,096,529 Circuit for detecting ghosts in TV antenna systems
The presence of ghosts or other similar interference in a television signal is detected and indicated by comparing the peak voltage levels of the horizontal...
US-4,095,933 Fuel handling and combustion system
A simple and highly efficient fuel handling and combustion system and method are provided. The system includes preheating coils surrounding a perforated outer...
US-4,095,563 Low pressure steam generator
A low pressure steam generator comprising a horizontal coil of tubing having a single upper steam outlet header and a pair of lower water inlet headers on...
US-4,093,036 Irrigation tower drive
An irrigation tower structure is provided including support and drive wheels for supporting and driving the tower from and over ground to be irrigated. The tower...
US-4,092,145 Method of prolonging the life or beauty of cut flowers
Cut flowers are intimately contacted with water containing a catalytically effective amount of a novel catalyst to prolong their life or beauty. In a preferred...
US-4,090,682 Pressure and hot air relief vents for a pressurized hot air airship
In a hot air airship including an elongate gas envelope aerodynamically shaped for horizontal flight with a pressure hot air generator for pressurizing the...
US-4,089,441 Portable manually operated duster
A portable manually operated domestic-type duster having openings admitting air from behind into the side of its discharge flow adjacent the blower discharge and...
US-4,089,085 Sash balances and components thereof
An improved window sash balance and components thereof. The balance includes a spring fixed with respect to the frame and a pair of pulley blocks, each...
US-4,085,189 Process for recycle beneficiation of titaniferous ores
An improved process for beneficiating titaniferous ore to produce essentially iron-free titanium dioxide wherein a fluidized mixture of ore and a recycled...
US-4,084,938 Process for treating solid carbonaceous fossil fuels and the products thus prepared
Solid carbonaceous fossil fuels such as coal, lignite and peat are treated with an aqueous medium containing a novel catalyst to remove undesirable constituents...
US-4,084,352 Lapidary machine
A lapidary machine having a fluid-actuated chuck arranged for facilitating insertion into and removal from the chuck of a dopstick provided with a shank of...
US-4,082,239 All electrical self-contained fuel control system for a burner in a thermal airship
A thermal airship having a hull formed of an elongate soft envelope of flexible material being aerodynamic shaped for horizontal flight with tail members at the...
US-4,082,155 Wheeled undercarriage for snowmobiles
A four wheeled undercarriage is mounted to a snowmobile body having a tunnel from which the endless track drive assembly has been removed. The ski-mounting...
US-4,076,188 Blower and burner to produce superpressure in a thermal airship
A thermal airship including an elongate gas envelope of a soft material providing a hull for the airship with tail members, a gondola carried below the hull, a...
US-4,076,138 Round bale loader and carrier
A carrier for material formed into cylindrical bales having a lifting and loading mechanism on the side and an unloading device adapted to roll the bale out of...
US-4,075,545 Charging system for automobile batteries
A pair of air driven impeller rotors mounted in the front end portion of a vehicle and operatively connected to one or more generators for charging drive motor...
US-D247,284 Clock
US-4,070,059 Grain trailer
A low profile material carrier which, in a preferred embodiment, comprises a grain trailer with a low rear opening for dumping. Most of the load, approximately...
US-4,068,970 Concrete finishing machines
A concrete finishing machine embodying an elongated supporting frame for extending across a roadway, or the like, and having a conveyor screw projecting from one...
US-4,068,827 Portable hoist
A portable hoist consisting essentially of three major components readily assembled and disassembled at the job site in a relatively short period of time to...
US-4,067,715 Method of transplanting plants
The roots of plants being transplanted are intimately contacted with water containing a catalytically effective amount of a novel catalyst. In a preferred...
US-4,067,714 Method of watering plants and/or feeding nutrients to plants
Plants are watered with water containing a catalytically effective amount of a novel catalyst to promote growth, yield and/or beauty. The watered plants are more...
US-4,067,713 Method of improving the fertility of soil and the soil thus prepared
Soil is intimately contacted with water containing a catalytically effective amount of a novel catalyst to improve the fertility thereof. In a preferred variant,...
US-4,067,712 Method of growing plants in soil
Plants are grown in soil which has been intimately contacted with water containing a catalytically effective amount of a novel catalyst to improve the fertility...
US-4,067,297 Swine finishing barn
In a self cleaning enclosure for production of livestock including hogs an enclosed slightly conical circular surface is disclosed which includes a scraper...
US-4,061,734 Method of therapeutically treating warm blooded animals and compositions therefor
Tissue in warm blooded animals which is damaged and/or infected is treated by administering a therapeutically effective amount of a composition containing a...
US-4,060,072 Solar heater apparatus
Solar heating apparatus that includes a solar panel having a generally rectangular box type frame that is open at the front, glass panes mounted on the frame to...
US-4,059,691 Method of reducing the incidence of infectious diseases and relieving stress in livestock
The incidence of infectious disease in livestock is reduced and/or stress is relieved by providing the livestock with drinking water containing a catalytically...
US-4,057,868 Collapsible brush
A brush frame is provided which supports a slidable handle and a plurality of rotatable bristle-carrying rods arranged with their longitudinal axes parallel to...
US-4,056,021 Irrigation hose and belt splice preparing tool
A tool or apparatus for preparing a fabric reinforced flexible hose or fabric reinforced conveyor belt for splicing by removing or stripping the elastomeric...
US-4,055,913 Mechanical toy
This toy consists primarily of a take-apart structure having a base supporting posts which removably receive a slanted and open-ended container in which balls...
US-4,052,026 Load suspension equalizing thimble
A hot air airship including an elongate aerodynamic shaped gas envelope carrying a hot air pressure generating device to pressurize the envelope with heated air,...
US-D245,876 Flutist's lyre
US-4,047,298 Combination sheath and rigid handle for knife blades and the like
An improved and simplified combination sheath and rigid handle for small, elongate tools such as knife blades, saws, small chisels and the like is disclosed...
US-4,046,337 Hinged control surfaces for pressurized hot air airship
A hot air airship including an elongate aerodynamic shaped gas envelope carrying a pressure hot air generating means for pressurizing the envelope with heated...
US-4,046,046 Meat coring device including a template
A template device adapted to take a core of meat from a carefully controlled portion of a meat carcass including a template adapted to control the location and...
US-4,042,512 Oil water separator
A cylindrical tank arranged with its axis horizontal has an inlet at the top, at one end, arranged to direct drainage water mixed with oil onto the upper portion...
US-4,039,350 Industrial cleaning system
An industrial cleaning system comprising a method and apparatus for substantially inverting a container to be cleaned into a washing space, temporarily enclosing...
US-4,038,227 Photodegradable polyolefins containing an aromatic ketone, ferric stearate, and a pigment
Photodegradable hydrocarbon polymers that are susceptible to attack by common microorganisms after exposure to sunlight in a natural atmospheric environment. The...
US-4,036,411 Low profile auger and hopper assembly
A low profile auger and hopper assembly for use in conveying and distributing a granular product such as animal feeds or the like is disclosed herein. The...
US-4,033,527 Deflation cap for pressurized hot air airship
A hot air airship including an elongate aerodynamic shaped gas envelope carrying a pressure hot air generator system for pressurizing the envelope with heated...
US-4,031,651 Fishing rod holder with automatic hook setter
A fishing pole holder and automatic hook setter, which comprises a vertical standard support, having a tubular sleeve holder pivoted at the upper end thereof for...
← Previous | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 | Next →

File A Patent Application

  • Protect your idea -- Don't let someone else file first. Learn more.

  • 3 Easy Steps -- Complete Form, application Review, and File. See our process.

  • Attorney Review -- Have your application reviewed by a Patent Attorney. See what's included.