Did You Know...
...that Charles Goodyear performed some of his experiments on rubber while in debtor's prison? He was there so often he referred to it as his "hotel". Chronically in debt because of poor business sense and ill health, Goodyear depended on the generosity of friends and family. Even after he unlocked the secret to vulcanizing rubber, he was unable to improve his financial situation. When he died, his estate was $200,000 in debt.
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 |
| 4553352 | Plant container for draining moisture from the soil A plant container including a main container (10) and a reservoir tray (12) for receiving fluids. The main container (10) has a plurality of orifices (14) disposed in the bottom thereof. The reservoir tray (12) is rotatable about a member (16) and has a p... | 11/19/1985 |
| 4523353 | Small ice packs and method of manufacturing the same The specification discloses a refillable sanitary ice pack (10) for single patient use. The ice pack takes the form of a generally rectangular envelope (12) having two sides (14, 16), an open end (18) and a closed end (20). Two pairs of tie strings (22, 2... | 06/18/1985 |
| 4520816 | Method and apparatus for delivering laser energy for ophthalmic use An ophthalmic laser surgery system includes a slit lamp (14) with an illuminator (16) and a biomicroscope (26). The high power laser (34) delivers a laser beam (36) which is mixed with the output from a lower power laser (38) with a dichroic mirror (54). ... | 06/04/1985 |
| 4520681 | Apparatus for measuring torque on a rotating shaft A mobile dynamometer includes a slotted disk (12) and slotted disk (14) disposed on a rotating shaft (10) a predetermined distance apart. A slot (16) is formed in the periphery of the disk (12) and a slot (18) is formed in the periphery of the disk (14). ... | 06/04/1985 |
| 4519751 | Piezoelectric pump with internal load sensor A piezoelectric pump includes a hollow cylindrical piezoelectric crystal (12) with end bells (22) and (24) on either end defining a pump chamber (14). A resilient diaphram (32) with an offset orifice (34) provides afferent valving action and a resilient d... | 05/28/1985 |
| 4516352 | Artificial crawfish lure with dorsal and ventral seam An artificial crawfish lure. The lure (10) comprises a resilient body (12) and a hook assembly (14). The resilient body (12) is shaped and dimensioned to resemble a crawfish and comprises a head portion (28), a midbody portion (30) and a cantilevered tail... | 05/14/1985 |
| 4513688 | Pelletized material feeder An animal feeder includes a hopper (20) that stores a quantity of pelletized material and is partially closed at the bottom by a restricting plate (40) that has an orifice (38) extending therethrough and offset from the center of the hopper (20). The orif... | 04/30/1985 |
| 4513676 | Method and apparatus for automatically decelerating and stopping a sewing machine motor A method and apparatus for automatically positioning a reciprocating needle while rotating the motor a minimum number of degrees. Apparatus is provided for sensing the motor angle and comparing it with a preset braking angle. After the braking angle has b... | 04/30/1985 |
| 4511781 | Induction cook-top system and control An induction heating system (40) is provided and includes a plurality of induction heating coils (118). Touch control pads (50, 52, 70, 72) are provided together with circuitry (80) for generating energization control signals. Circuitry (112, 116) is prov... | 04/16/1985 |
| 4509747 | Arm wrestling apparatus An arm wrestling apparatus (10) includes a base (12) with a telescoping arm (20) pivoted about pivoting brackets (16) and (18). A resilient band (50) is disposed between a stud (48) and a stud (46). The stud (46) is mounted on a reinforcing member (42) th... | 04/09/1985 |
| 4509443 | Automatic sewing machine and method for jacket sleeve attachment The present invention includes a sewing machine (12) with a variable top feed mechanism (25) that feeds the top layer of material for a sleeve at a variable rate to change the fullness thereof. The machine (12) is driven by a motor (42) which is controlle... | 04/09/1985 |
| 4509356 | Method and apparatus for drawing heavy wall shells A forming machine (10) is provided for forming a finished part (12) from a flat blank (14). Draw stations (18-24) are provided to initially form the intermediate part. Each draw station includes a punch (44, 62, 66, 70) and a draw die (48, 64, 68, 72). Ea... | 04/09/1985 |
| 4507794 | Filtered Manchester Coded PSK transmission system A system for digital transmission includes an active pulse forming network to convert a digital data signal into a Manchester Coded PSK format. A low pass filter network is provided to transform the Manchester Coded signal for transmission over a bandlimi... | 03/26/1985 |
| 4505335 | Fire extinguisher handle securing apparatus An aerosol fire extinguishant container has an insert positioned and secured within a recess in the closure cap of the container. An opening in the insert permits the stem of a depressable ejector nozzle to engage a valve structure in the cap. A trigger i... | 03/19/1985 |
| 4502553 | Sponge coring apparatus with reinforced sponge A well coring apparatus (10) includes an outer barrel (12) and an inner barrel (18). A hollow sponge (50) is disposed along a liner (52) for insertion into the inner barrel (18). The sponge (50) is operable to absorb subterranean fluid from a well core (5... | 03/05/1985 |
| 4502535 | Jet engine pump and downhole heater A pumping system (10) is disclosed for pumping a fluid (14) from within a borehole (12) to the surface. A combustion engine (18) is employed to drive a pump comprising a pump barrel (28) and an auger pump shaft (32). The pumped fluid is carried from the b... | 03/05/1985 |
| 4499601 | Method and apparatus for automatically detecting and playing desired audio segments over a broadcast receiver. The specification discloses a method and apparatus for detecting and playing desired audio segments over a broadcast receiver such as a radio or television. Apparatus is coupled with the broadcast receiver (30) to enable the listener to listen to any of a... | 02/12/1985 |
| 4496324 | Biomembrane demonstration apparatus This invention is a demonstration device to be used in the teaching of the concept of the Fluid Mosaic Membrane. The Biomembrane Demonstration Apparatus consists of a transparent vessel containing two or three immiscible fluids with sufficient difference ... | 01/29/1985 |
