Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Optical & Optics
Class Information
Number: 362/22
Name: Illumination > With filament control means responsive to fracture of light source envelope or enclosure > Fluid or pressure responsive
Description: Subject matter having an enclosure which is sealed and a fluid within the enclosure and wherein the means to disconnect the filament from its source of electrical energy etc. includes a switch and wherein the enclosure, the fluid and the switch are so interrelated that a break in the enclosure either (1) changes the amount of fluid in the enclosure to open the switch, or (2) changes the pressure of the fluid in the enclosure to open the switch and thus open the circuit to the filament.










Patents under this class:

Patent Number Title Of Patent Date Issued
6315424 Underwater safety lighting device for swimming pools Nov. 13, 2001
5578905 Flow-responsive air purged portable electric lamp Nov. 26, 1996
5519587 Air purged portable electric lamp May. 21, 1996
5140216 Explosion proof lamp with liquid extinguishant Aug. 18, 1992
5068720 Video inspection system for hazardous environments Nov. 26, 1991
4961111 Video inspection system for hazardous environments Oct. 2, 1990
4375315 Arc lamp illuminator Mar. 1, 1983
4276580 Pressure actuated electrical system Jun. 30, 1981
4275433 Lighting fitting Jun. 23, 1981











 
 
  Recently Added Patents
Method and structure for forming ETSOI capacitors, diodes, resistors and back gate contacts
System and method for interactive image-based modeling of curved surfaces using single-view and multi-view feature curves
Liquid crystal panel and liquid crystal display
Method and apparatus for editing a program on an optical disc
Supporting multiple channels of a single interface
Integrated circuit packaging system with an integral-interposer-structure and method of manufacture thereof
Television with a stand
  Randomly Featured Patents
Standalone telephone answering machine with store and forward facsimile
Latched shutter system having automatic delay of latch reset
Nematicidal use of hydrazinecarboxamides and carbothioamides
Process for producing images on a photosensitive material
Methods, kits, and probes for diagnosing HIV-2
Medical manipulator
Integrated circuit feature definition using one-time-programmable (OTP) memory
Environmental control system for personal computers
System and method for detecting misassembly of an exhaust aftertreatment system of a machine
CONTROL VALVE USED FOR A VARIABLE DISPLACEMENT COMPRESSOR INSTALLED IN A REFRIGERANT CIRCUIT HAVING AT LEAST ONE OF A FIRST PRESSURE CHAMBER AND A SECOND PRESSURE CHAMBER FORMING PART OF THE R