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Patent No. 5443036

Method of exercising a cat

A method for inducing cats to exercise consists of directing a beam of invisible light produced by a hand-held laser apparatus onto the floor or wall.

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Class 414/290 - Receptacle contains liquid in which charge is submergibly sealed


Subclass of Class 414 - Material or article handling
Definition: Apparatus wherein the receptacle contains liquid in which
No. of patents: 9
Last issue date: 07/03/2007


NumberTitleIssue Date
7238543Methods for marking a bare semiconductor die including applying a tape having energy-markable properties
A method used for marking a semiconductor wafer or device. The method and apparatus have particular application to wafers or devices which have been subjected to a thinning process, including backgrinding in particular. The present method comprises reducing the cros...
07/03/2007
7094618Methods for marking a packaged semiconductor die including applying tape and subsequently marking the tape
The present invention provides a method and apparatus for marking a semiconductor wafer or device. The method and apparatus have particular application to wafers or devices which have been subjected to a thinning process, including backgrinding in particular. The pr...
08/22/2006
7017896Jig for adjusting curvature of substrate
Jig for adjusting curvature of a substrate permits to measure an amount of sag of the substrate coming from variation of a length of the slot or the support bar by varying the length of the slot or the support bar, thereby permitting easy fabrication of the cassette...
03/28/2006
4495032Split hub wheel apparatus
A shale oil retort apparatus is provided for retorting oil shale under airtight conditions. The retort apparatus employs a split hub wheel device which allows for the axial feeding of crushed oil shale and the axial dispensing of spent oil shale. The reto...
01/22/1985
4379670Linear pocket letdown device
A system for removing material from the bottom of a pressure vessel without relieving the vessle's pressure in which a tube connected intermediate its inlet and outlet ends to the pressure vessel receives material through the connection and into pocket me...
04/12/1983
4247240Solids feeder having a solids-liquid separator
An apparatus for transferring solid materials between zones of substantially different pressures, the solid materials being supplied to a lockhopper containing a liquid having a density less than the solid materials, the solid materials with associated li...
01/27/1981
4096031Nuclear reactor refueling system
A system for transferring fuel assemblies between a nuclear reactor core and a fuel storage area while the fuel assemblies remain completely submerged in a continuous body of coolant. The system comprises an in-vessel fuel transfer machine located inside ...
06/20/1978
4069923Buoyancy elevator for moving a load in an industrial facility such as a nuclear power plant
An elevator for transporting a load between upper and lower elevations includes a shaft containing liquid therein between the elevations. A buoy accommodates the load to be moved and transports the same within the shaft. A buoyancy control controls the bu...
01/24/1978
3945509Handling system for nuclear fuel casks
A heavy shielded nuclear fuel cask is lowered into and removed from a water filled spent fuel pool by providing a vertical guide tube in the pool, affixing to the bottom of the cask a base plate that approximates the transverse dimension of the guide tube...
03/23/1976
 
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