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-D301,899 Object toss skill game
US-4,838,757 Wind turbine system using a savonius type rotor
The present invention relates to a combination of a Savonius type rotor (20) and a deflector plate device (101) which serves as an augmentation apparatus which...
US-4,836,200 Oxygen tube support strap
A device particularly for use with a nasal cannula for holding oxygen tubes in place on a user's head free of the ears thus avoiding chafing. The device includes...
US-4,833,797 Trencher attachment
A tractor with a trencher and a blade or shovel on the front of the tractor, the trencher connected to the tractor by a three-point hitch, the trencher having a...
US-4,832,260 Emergency ventilation system
An apparatus and method for controlling emergency ventilation of a liverstock building comprising an environment sensor (12), air operated trip mechanism (14),...
US-4,830,570 Wind turbine system using twin savonius-type rotors
The present invention relates to a combination of two vertical axis Savonius-type rotors (20,120) mounted on a support structure (210) and a deflector plate...
US-4,829,987 Mineral body wrap combined with exercise for treating cellulite
The present invention relates to a method for treating the human body to reduce body dimensions and minimize the undesirable appearance of cellulite. The method...
US-4,827,623 Apparatus for determining the alignment of vehicle wheels
A laser enhanced alignment apparatus for wheeled vehicles includes first and second laser generator assemblies, each mounted to one of the vehicle front wheels,...
US-4,825,147 Capacitance measuring method and apparatus
A train of constant current pulses is applied to a capacitor to raise the voltage across the capacitor from a first predetermined level to a second predetermined...
US-4,824,312 Grain storage unloading system
A grain storage unloading system (10) with a series of augers for unloading grain (42) from a storage bin (11) is disclosed. Also disclosed is a method for...
US-4,823,390 FM stereo generator
An FM stereo generator for use as a modulator or in a test instrument or the like to provide the conventional 19 KHz and 38 KHz signals. The phase of the...
US-D300,702 Plant hanger
US-4,820,742 Method for continuous manufacture of solid water absorbing resin
A method and apparatus for continuously manufacturing water absorbing resin. A mixed monomer solution is stored in a storage vessel and a polymerization...
US-4,815,967 Taper candle bar
An adapter (18) for supporting one of more taper candles instead of a single pillar candle, on a candle ring (16) in a centerpiece arrangement includes an...
US-4,814,550 Power line isolating apparatus and method
A method and apparatus for isolating electric power lines includes an insulator assembly to which is pivotally connected two line clamps. After the clamps clamp...
US-4,810,513 Process for treating raw soybeans
A process for producing a full-fat flaked soybean product having 18% soybean fat and a urease activity of 0.02-0.1 is provided. Raw soybeans with hulls in tact...
US-D300,131 Boat hull
US-4,805,262 Sliding panel roller assembly
The roller assembly of this invention comprises a grooved wheel attached to a perforated metal tape or spring which is movable over a sloping track by means of a...
US-4,802,978 Oil-water separator
An oil water separator is disclosed having a vertical, cylindrical tank with a plurality of corrugated, oleophilic plates. A corrugated diffusion baffle is...
US-4,800,817 Rail joint alignment system and method of connection
An alignment system and method are described for aligning and supporting facing ends of two rails so that they can be secured together (e.g., by welding or...
US-4,798,916 Safety plate for electrical outlet
A safety plate for electrical outlets is disclosed which includes a cover plate having a pair of openings for access to the receptacles of an outlet. A pair of...
US-4,795,966 Method and apparatus for measuring the equivalent series resistances of a capacitor
An instrument for measuring the equivalent series resistance of a capacitor includes a plurality of constant current generators across which a capacitor under...
US-4,794,778 Core sizing apparatus
Apparatus for predeterminately sizing a core has a pair of generally opposed dies operable for compressing only an outer circumferential section of the core...
US-4,794,207 Electrical outlet unit for a building
An electrical outlet unit (10) for receiving an electrical apparatus such as an electrical switch or plug-in, and method for installation thereof, for use in a...
US-4,793,196 Gear coupled, counter-rotating vibratory drive assembly
A gear coupled, counter-rotating vibratory assembly is described for producing a fine tuned accurate linear vibratory motion without any twisting force...
US-4,792,082 Enclosed animal litter box
A litter box (1) including an outer front side wall (3), an outer rear side wall (4), an outer left side wall (5), a cover member (8), and an outer right side...
US-4,791,428 Microwave receiving antenna array having adjustable null direction
An antenna array for receiving microwave signals is provided that is particularly designed for use in television receive only (TVRO) satellite earth stations....
US-4,790,435 Card dispenser
A cardholder for containing and dispensing business cards has a housing containing a flat spring, a cover plate for the spring for supporting the cards, and a...
US-4,790,148 Ring shank
A ring shank comprising pivotal shank portions pivoted together at one end thereof. The free ends of the shank portions are provided with a ball and socket joint...
US-4,785,911 Sawhorse roller attachment
The sawhorse roller attachment of the present invention includes an elongated roller and a pair of brackets adapted for securement to the top cross bar of a...
US-4,785,647 Method and apparatus for sizing rings
A ring sizer includes a handle assembly which rotates about a post with first roller and gear mounted on the post to cooperate with a second roller and gear on...
US-4,784,568 Wind turbine system using a vertical axis savonius-type rotor
The present invention relates to a combination of a vertical axis Savonius-type rotor (20) and a deflector assembly (100) which serves as an augmentation...
US-4,781,675 Infusion cannula
The disclosure relates to an infusion cannula for infusing fluids into various cavities of the eye. The cannula comprises a tube having first and second ends and...
US-4,781,049 Apparatus for creating a florentine pattern on a gold strip
An apparatus for creating a florentine finish on a gold strip comprising a table-like support including spaced-apart driven friction wheels which move the gold...
US-4,777,667 Flip bill cap
A flip bill cap is provided and consists of the bill portion raised to disclose an entertaining and unique advertising message thereon. The bill portion is...
US-4,775,262 Concrete finishing machine with vibrating compactor unit
A concrete finishing machine includes a surfacing unit having two finishing cylinders with two augers mounted in line with the two cylinders, and a pair of...
US-4,772,283 Corneal implant
An implant prosthesis for replacing a full or partial thickness of a cornea. Prosthesis includes a transparent lens portion, and a carrier of preserved,...
US-4,771,737 Adjustable headlock usable with a livestock pen
A headlock device for holding the head of a domestic animal for any purpose requiring the holding of that animal. The device is built for quick and easy removal...
US-4,770,127 Animal restraining apparatus
Animal restraining apparatus includes a cage portion, a door portion, a door locking portion, a movable restraint portion and a restraint actuating portion. The...
US-4,763,728 Jet-type well screen cleaner
A device adapted to clean well screens and to open aquifer formations including high pressure water jets directed at the formation through the screen and...
US-4,762,229 Method and apparatus for orienting or labeling a beverage dispensing container responsive to tactile stimuli
A tactile stimulus producing means placed on the generally smooth surface of the side wall of the cylindrical body portion of a beverage container in a position...
US-4,760,448 Method of measuring amplitude variations of a video carrier and apparatus therefor
A composite RF television signal is converted to an IF signal, passed through an AGC circuit and the amplitudes of the horizontal sync pulses are sampled only...
US-4,756,567 Self-adjusting barrel harness
The Bold Eagle Barrel Harness is a device readily, easily, and safely secured to, and removed from containers, for the purpose of lifting and transporting the...
US-4,756,445 Protective liner for metal refuse receptacle
Maintenance and replacement costs for metal refuse receptacles, i.e. "dumpsters", are reduced by a protective liner comprising a single-piece molded plastic...
US-4,756,102 Resiliently mountable support structure with wear resistant contacting surface
A vehicle mounted ancillary support equipment such as a support runner, foot or shoe for use with street sweepers, snow plows, snow blowers and the like is...
US-4,749,129 Device for atomizing a liquid
A device for atomizing a liquid is disclosed. The device is mounted to a frame and is plumbed for fluid communication with an air source and a liquid source. The...
US-4,748,708 Spike harrow tooth and method of manufacture
A spike harrow tooth is fabricated by cold forming a metal blank which is provided from appropriate bar stock, the blank having a length for a single harrow...
US-4,747,941 Increased reduction of magnesium content by use of inorganic promoters during beneficiation of phosphate ores...
A process for beneficiating phosphate containing ores, wherein promoter reagents are added to the ore slurry prior to the addition of collectors and depressants...
US-D295,580 Combined backpack and seat
US-4,737,154 Chemical process for the coloration of wood in a basic aqueous medium
An attractive, decorative naturally-appearing stained color can be given to wooden members by contacting the wood with a basic aqueous medium at elevated...
← 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 76 77 | 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.