Did You Know...
...that in 1800 ether was first used by partyers as a fun diversion? Sniffing the gas led to hilarious and raucous laughter as people watched each other become more and more intoxicated and silly. Several doctors independently realized the value ether would have to anesthetize surgery patients. Of those who claimed rights to the "discovery," none had a happy ending. One had a seizure and died defending his rights. Another spent his life in an asylum because he had been denied acclaim. A third became addicted to chloroform and, in a New York City jail, he soaked a cloth in the drug, severed an artery and bled to death.
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| Number | Title | Issue Date |
| 5377542 | Wheel balancer apparatus and method The invention provides a wheel balancer with a filtering system that reduces signal noise using a phase shift and subtraction circuit. In addition the inventive wheel balancer utilizes an automated parameter entry device, and a fast data refresh system wh... | 01/03/1995 |
| 5373734 | Method and apparatus for determining the quality of a coating A method and apparatus for measuring the quality of a coating on a plate. The invention uses a method of measuring the impedance of a coating on a plate, which uses the steps of placing the coating on a plate in a chamber, and then placing a counter elect... | 12/20/1994 |
| 5372034 | High solids paint viscometer The invention provides a viscosity cup with an upward extending tube or lip, which provides a cut off point for paint draining through an orifice, providing more consistent viscosity measurements.... | 12/13/1994 |
| 5358030 | Method for managing retort over-pressure during pressure cooling The invention provides a method and apparatus for managing retort over-pressure during pressure cooling. The invention allows the specification of an initial cooling temperature and a final cooling temperature and a final cooling pressure. Using these val... | 10/25/1994 |
| 5327809 | Dual pack canister The invention provides a canister which holds two missiles, which is the same size as prior art canisters that held a single missile. The inventive canister provides improved structural strength, simpler operation for the closure and electronics and an im... | 07/12/1994 |
| 5315564 | Sensing apparatus The invention provides a controlling device which comprises a control box, a power box, a right sensor control unit attached to a plurality of proximity detectors, a left sensor control unit attached to a plurality of proximity detectors, and a valve box ... | 05/24/1994 |
| 5314071 | Glass sorter The invention provides a method and apparatus for purification and color sortation of waste glass, a glass beneficiation process and apparatus. The invention crushes the glass into pieces less than 3 inches in size, delables the glass, and then sorts the ... | 05/24/1994 |
| 5307279 | Self diagnostic wheel balancer The invention provides a wheel balancer that is able to determine if its measurements are accurate. The invention takes a set of measurements and determines if the measurements are sufficiently consistent. If they are sufficiently close the invention uses... | 04/26/1994 |
| 5289100 | System for powering, speed control, steering, and braking A propulsion system for using a pair of electric induction motors to power a pair of vehicle drive wheels. The motors are driven by pulses of electric current from a common dc bus. The inductance of stator windings cause electric current to power the moto... | 02/22/1994 |
| 5285042 | Gas tungsten arc welding torch apparatus The invention provides an improved gas tungsten arc welding (GTAW) torch apparatus allows for welding on such surfaces that otherwise could not be welded with linear or 90° bend welding torch apparatuses, by providing a bend greater than 282°.... | 02/08/1994 |
| 5262602 | High current and low current switch The invention provides an electrical switch which reduces arcing by utilizing slidably mating members. In addition the switch provides large area gold contacts. Because of the above characteristics the invention provides a switch that can handle high and ... | 11/16/1993 |
| 5259475 | Front wheel and front and rear wheel steering system The invention provides a harvester or other such vehicle with front wheel, and front and rear wheel steering. Steering, at various times, is only provided by the front wheels and at other times provided by the front and rear wheels. For four wheel vehicle... | 11/09/1993 |
| 5259301 | Single spiral rotary batch retort A steritort with a single spiral which allows the automatic loading of several rows of containers, the simulation of a rotary retort, and an indexed unloading of the containers by a push rod.... | 11/09/1993 |
| 5233328 | Method for processing compacted data A method for processing compacted data without converting the data into uncompacted form. A first set of digital data is converted into compact form by recording a set of points at which the signal level changes. A second set of digital data is likewise c... | 08/03/1993 |
| 5215002 | Single vessel rotary processor The invention provides a rotary processor which is able to both cook and cool containerized food in a single vessel. The rotary processor comprises a single vessel with a rotatable reel, which has barrier walls disposed within the reel. The barrier walls ... | 06/01/1993 |
| 5199346 | Apparatus for high speed sterilization of irregularly shaped containers A carrier for holding irregularly shaped containers for movement through a hydrostatic sterilizer. The carrier adapts irregularly shaped containers for movement through a sterilizer which can also process contents of cylindrical food cans. A plurality of ... | 04/06/1993 |
| 5181202 | Ring bus station having dual oscillators A transmit-receive station connected to a high speed ring bus carrying data signals that may be received from and sent to each station on the ring bus has two sources of transmit clocking signals. One source is based on the frequency and phase of data sig... | 01/19/1993 |
| 5180122 | Apparatus for deicing The invention provides an apparatus and method for detecting the presence of ice on a surface. The invention uses cameras to allow ice detection over a large area instead of a single point. The detecting apparatus provides an improved deicing apparatus.... | 01/19/1993 |
| 5174038 | Method and apparatus for profiling terrain A terrain profiling apparatus for quick and inexpensive profiling of relatively large areas of ground. A prime mover pulls a sled across a terrain to be profiled. A gyroscope on the sled indicates slope and a measuring device records distances moved. Slop... | 12/29/1992 |
| 5170352 | Multi-purpose autonomous vehicle with path plotting An autonomous vehicle for operating in a predetermined work area while avoiding both fixed and moving obstacles. A plurality of laser, sonic and optical sensors detect targets and obstacles in the work area and provide coded signals to processors and cont... | 12/08/1992 |
| 5163806 | Airline food transportation system The invention provides a plurality of tray cart containers, in which at least four tray carts are loaded into a tray cart container, and a trailer, wherein the trailers have at least one powered conveyor system, and wherein at least four of tray cart cont... | 11/17/1992 |
| 5131692 | Pipe connector with threaded seal in nonthreaded cavity A pipe connector device for selectively interconnecting a pair of pipe elements in an end-to-end relationship and for sealing a junction between the elements to prevent leaks. A first and a second pipe element each includes a cavity adjacent to a center b... | 07/21/1992 |
