Famous Patents
The first commercial microwave oven was nearly 6 feet tall and weighed in at 750 pounds.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 5747647 | Process for the fractionation of whey constituents A process for fractionation of dairy whey is described which enables various whey constituents, in particular, alpha-lactalbumin and beta-lactoglobulin, to be recovered in substantially pure form. Lactose may also be recovered. The mineral content of raw ... | 05/05/1998 |
| 5632846 | Method of producing safety glove bags Apparatus for use in removing hazardous material from an elongated pipe has an upper work section comprised of a sheet of flexible material having a centrally located opening and a lower debris collection and disposal bag that depends from the upper work ... | 05/27/1997 |
| 5630936 | Vertical drainage drying bed for waste sludge and an intensified method of treating wastewater A drying bed for waste sludge in a wastewater treatment facility having a vertical drainage riser extending vertically from a subnatant discharge pipe near the bottom of the drying bed. A sludge inlet at an end of the drying bed communicates with a source... | 05/20/1997 |
| 5626123 | Compressed air gun An air compressed gun (10) is provided having a stock (11), a barrel (12), a trigger (13) and a manual pump (14). The manual pump is coupled to a swivel joint (31) which provides pivotal movement of the pump relative to the barrel so as to allow for a var... | 05/06/1997 |
| 5622306 | Tubular corrugated paperboard shipping container with a pair of attaching strips A tubular corrugated paperboard shipping container having a rigid base frame, a cleat-reinforced tubular corrugated paperboard body attached thereto, and a top frame. The corrugated paperboard body includes a pair of spaced-apart attaching strips fixed on... | 04/22/1997 |
| 5616855 | Method and apparatus for measuring viscosity An apparatus for measuring viscosity of liquids includes an external chamber (10) which encloses an internal chamber/duct (20) having an inlet (21) and an outlet (22). Internal chamber (20) houses a fan (30) for forcing air through the duct, a heater (40)... | 04/01/1997 |
| 5609708 | Method of making a seal for shafts and valve stems A packing material having a resilient core and a uniform non-seamed exterior surface comprising a plurality of discrete compressible particles attached to the flexible core and to each other, the particles being compressed after attachment. The method com... | 03/11/1997 |
| 5601448 | Connector for lighting system and method A connector for electrical communication between a low-voltage lamp and an electrical cable connected with a source of low-voltage electricity. The connector has a base with two opposed sections that define a channel for receiving the cable. Distal ends o... | 02/11/1997 |
| 5602038 | Method of determining renal clearances In a method of determining creatinine clearance for detecting and monitoring renal dysfunction, spot samples of urine and blood from a person are obtained. Specific gravity or osmolality and creatinine concentration of the urine sample are measured. Creat... | 02/11/1997 |
| 5596978 | Rapid fire compressed air gun An air compressed gun (10) is provided having a stock (11), a barrel (12), a trigger (13) and a manual air pump (14). The gun also has a magazine (18) having a series of barrels (26) for holding several projectiles (P). An actuator (50) indexes the magazi... | 01/28/1997 |
| 5592931 | Compressed air gun with magazine indexer An air compressed gun (70) is provided having a housing (71), a magazine (75) having multiple barrels (89) for holding projectiles, and a manual air pump (76). The gun also has a pneumatic indexer (82) which indexes the magazine for firing with each shot ... | 01/14/1997 |
| 5590707 | Heat exchanger A heat exchanger (10) for extracting thermal energy from a process fluid, comprising a first group of at least one plate-fin heat exchange module (34a) and a second group of at least one plate-fin heat exchange module (34b). Each plate-fin heat exchange m... | 01/07/1997 |
| 5586688 | Electric pump toy water gun A water gun 10 having a storage tank (18), a pressure tank (19) and an electric pump (28) for conveying liquid from the storage tank to the pressure tank. The conveyance of liquid into the pressure tank causes the liquid to be pressurized by air compresse... | 12/24/1996 |
| 5584856 | Removable surgical staple A surgical staple (10) is provided having a fastener member (11) and a retainer member (12). The retainer member has an internal channel (31) having ridges (33) with serrated teeth (35). The fastener member has a tubular head (13), and a series of prongs ... | 12/17/1996 |
| 5562597 | Method and apparatus for reducing physiological stress Physiological stress in a human subject is treated by generating a weak electromagnetic field about a quartz crystal. The crystal is stimulated by applying electrical pulses of pulse widths between 0.1 and 50 microseconds each at a pulse repetition rate o... | 10/08/1996 |
| 5553933 | Safety glove bag and method of making same Apparatus for use in removing hazardous material from an elongated pipe has an upper work section comprised of a sheet of flexible material having a centrally located opening and a lower debris collection and disposal bag that depends from the upper work ... | 09/10/1996 |
| 5552323 | Method of blending an anticoagulant A blended heparin salt for use as an anticoagulant in a blood sample, which substantially eliminates a skew in a determined amount of ionized calcium imparted by the heparin in the blood sample. The blended heparin salt comprises a proportional blend of a... | 09/03/1996 |
| 5549497 | Toy rocket with velocity dependent chute release A rocket (100) is disclosed having a body (101) with a bay (102) therein and a hatch (109) which is movable between a bay opened position and a bay closed position by a spring biased hinge (110). The hatch is pivotally coupled to a nose section (104) by a... | 08/27/1996 |
| 5549500 | Animalian figurine An animalian figurine (10) has an outer covering (11) which contains a body of plant life nutrient material (13) and a bed of plant seeds (14). The plant seeds are positioned adjacent a scalp portion (16) of the covering so that the grass stalks sprouting... | 08/27/1996 |
| 5547010 | Adjustable curtain frame A curtain frame (10) adapted to be mounted in windows of various sizes has a peripheral frame (11), a telescopic upper curtain rod (12), a telescopic lower curtain rod (13) and a pair of hinges (15). The peripheral frame has four L-shaped corner members (... | 08/20/1996 |
| 5548497 | Recessed lighting fixture A recessed lighting fixture having a socket for receiving a lamp which generates light for emitting through an opening in the fixture. The socket connects to electrical conductors that communicate through a ballast with a supply of electricity. An insulat... | 08/20/1996 |
| 5541464 | Thermionic generator A thermionic generator (10) has a heated metal heat tube (11) journaled through a set of star-shaped emitters (12) and a set of electrically insulative spacers (13). The generator also has a collector (23) positioned about the grouped emitters and spacers... | 07/30/1996 |
| 5538453 | Air pressure toy rocket launcher A rocket launcher (18) is disclosed having a pressure chamber (74) coupled to a pump (66) through a pressure tube (67) and a release valve assembly (87) having a manifold (78) in fluid communication with the pressure chamber. The manifold has a plunger (7... | 07/23/1996 |
| 5536420 | Vertical drainage drying bed for waste sludge and an intensified method of treating wastewater A drying bed for waste sludge in a wastewater treatment facility having a vertical drainage riser extending vertically from a subnatant discharge pipe near the bottom of the drying bed. A sludge inlet at an end of the drying bed communicates with a source... | 07/16/1996 |
| 5533835 | Railroad crossing signal foundation and method of producing and erecting the same A railroad crossing signal foundation has upright guide rods (19) to which an upper frame member (14) and a lower frame member (15) are mounted. A concrete reinforcement gridwork (16,17) is supported on the lower frame. After erection in a ground hole, co... | 07/09/1996 |
| 5529738 | Method of making a plunger cap A method for making a plunger cap for use with a sampling syringe for collecting a blood sample, in which an elongated tube open at one end communicates with a sampling needle attached at the other end. A plunger rod with a plunger cap slidably inserts in... | 06/25/1996 |
| 5520982 | Structural member A structural member formed from a billet, each member comprising a plurality of elongate corrugated paperboard sheets bonded together with an adhesive and disposed between a top and a bottom cap, each cap comprising at least one ply of a fiberboard sheet,... | 05/28/1996 |
| 5500372 | Method of determining renal clearances In a method of determining creatinine clearance for detecting and monitoring renal dysfunction, spot samples of urine and blood from a person are obtained. Specific gravity and creatinine concentration of the urine sample are measured. Creatinine concentr... | 03/19/1996 |
| 5492224 | Apparatus and method for extracting impurities from a pulpous slurry An apparatus (10) for extracting impurities from a pulpous slurry. The apparatus has an upper housing (11), a conical, lower housing (12) and an auxiliary chamber (13). The upper housing has a separation chamber (27) having an upper shell entry portion (3... | 02/20/1996 |
| 5491958 | Method of storing logs A stack of logs (40) is inhibited from staining as it is stored in open air by being sheltered with an air pervious plastic material (16). The plastic material has a material to air density of greater than 70% to restrict sunlight, wind and rain and less ... | 02/20/1996 |
| 5488548 | Modular lighting fixture A lighting fixture comprising at least a pair of modules each having at least one light source. The modules are positioned spaced-apart on a wall or ceiling to define a gap between the modules. A tubular connector joins the modules together. A cap covers ... | 01/30/1996 |
| 5480121 | Break-away conncetor for sign post A break-way connector for a sign post having a stud rigidly welded to two spaced-apart channel members, with a central portion of the stud between the channel members having a groove and a pair of radial bores centered on the groove to define an area for ... | 01/02/1996 |
| 5480374 | Method and apparatus for reducing physiological stress Physiological stress in a human subject is treated by generating a weak electromagnetic field about a grounded electrode by the application of pulses of between 5 and 50 microseconds each at a pulse rate of between 0.5K and 10K pulses per second to a powe... | 01/02/1996 |
| 5469661 | Sliding door foot treadle A foot treadle for use in opening a sliding door of the type mounted for initial movement in three directional dimensions from its closed position comprises a lever having an axis of rotation. The lever has a leg that depends generally downwardly from the... | 11/28/1995 |
| 5468206 | Container Containers are produced from a sheet of flexible material having a thermally bondable inside surface. In one embodiment the material is formed into a T-shaped intermediate structure having two pleats (302 and 303) having a uncreased, mutual central portio... | 11/21/1995 |
| 5469145 | Wet diaper detector A wet diaper detector comprises an elongated strip of material sized to be positioned in a diaper with a portion of the strip residing in a region of the diaper subject to wetness and an end of the strip protruding from the diaper at the upper rear or fro... | 11/21/1995 |
| 5461829 | Trolley rail system for sliding door A trolley rail system (10) for supporting and guiding a sliding cooler door (14) of a walk-in type cooler. The system has a guide rail (27) having two linear segments (29,30) and two deviation ramp portions (33,34), and an auxiliary rail (38). The system ... | 10/31/1995 |
| 5462218 | Cleated corrugated paperboard container A cleated corrugated paperboard container is disclosed having a blank of corrugated paperboard scored to define panels for folding to define a container that wraps around a cast iron bathtub having a well with a rim surface and an apron extending along th... | 10/31/1995 |
| 5452758 | Heat exchanger A heat exchanger for extracting thermal energy from a process fluid, comprising a first group of at least one plate-fin heat exchange module and a second group of at least one plate-fin heat exchange module. Each plate-fin heat exchange module includes an... | 09/26/1995 |
| 5449246 | Method and apparatus for constructing patterned pavements An apparatus for use in the in situ construction of patterned pavement includes a container (14) and a matrix of capped tubes (15) mounted to the floor of the container. Concrete (17) is distributed within the container and about the tubes and allowed to ... | 09/12/1995 |
