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Class Information
Number: 313/552
Name: Electric lamp and discharge devices > Having pressure control of gas or vapor
Description: Subject matter which includes a gas or vapor within the envelope, at least an electrode within the envelope and material of structure to release or take up gas vapor within the envelope to control the pressure of the gas or vapor within the envelope.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7427836 |
Image display apparatus having ion pump and electron-emitting devices in communication via mesh or stripe shaped member |
Sep. 23, 2008 |
| 7423366 |
Lamp assembly |
Sep. 9, 2008 |
| 7301269 |
Image display apparatus provided with an ion pump assembly arranged within an external container |
Nov. 27, 2007 |
| 6791254 |
Fluorescent lamp containing a mercury zinc amalgam and a method of manufacture |
Sep. 14, 2004 |
| 6762547 |
Image display device |
Jul. 13, 2004 |
| 6736927 |
Apparatus for increased workpiece throughput |
May. 18, 2004 |
| 6707246 |
Low-pressure mercury vapor discharge lamp with improved auxiliary amalgam |
Mar. 16, 2004 |
| 6495965 |
Cold cathode electronic device |
Dec. 17, 2002 |
| 6479931 |
Extended temperature range fluorescent lamp |
Nov. 12, 2002 |
| 6456004 |
Fluorescent lamp having uniquely configured container containing amalgam for regulating mercury vapor equilibrium |
Sep. 24, 2002 |
| 6339287 |
Fluorescent lamp containing a mercury zinc amalgam and a method of manufacture |
Jan. 15, 2002 |
| 6310437 |
Fluorescent lamp extension tube amalgam holder |
Oct. 30, 2001 |
| 6114806 |
Hermetic container |
Sep. 5, 2000 |
| 5907216 |
Low-pressure mercury vapour discharge lamp |
May. 25, 1999 |
| 5772485 |
Method of making a hydrogen-rich, low dielectric constant gate insulator for field emission device |
Jun. 30, 1998 |
| 5684356 |
Hydrogen-rich, low dielectric constant gate insulator for field emission device |
Nov. 4, 1997 |
| 5500567 |
Apparatus for securing an amalgam at the apex of an electrodeless fluorescent lamp |
Mar. 19, 1996 |
| 5294867 |
Low pressure mercury vapor discharge lamp containing an amalgam |
Mar. 15, 1994 |
| 5150001 |
Field emission electron gun and method having complementary passive and active vacuum pumping |
Sep. 22, 1992 |
| 5128106 |
Lamp with an oxygen detector |
Jul. 7, 1992 |
| 4810935 |
Method and apparatus for producing large volume magnetoplasmas |
Mar. 7, 1989 |
| 4755710 |
High-pressure sodium discharge lamp having reduced lamp voltage increase |
Jul. 5, 1988 |
| 4627061 |
Gas laser apparatus having constant power output |
Dec. 2, 1986 |
| 4581557 |
Stabilized high intensity discharge lamp |
Apr. 8, 1986 |
| 4430597 |
Ambient pressure lamp |
Feb. 7, 1984 |
| 4401869 |
Hermetically sealed electrical switch with pressure regulating getter means |
Aug. 30, 1983 |
| 4393325 |
Low-pressure mercury vapor discharge lamp with mercury amalgam |
Jul. 12, 1983 |
| 4382205 |
Metal vapor arc lamp having thermal link diminishable in heat conduction |
May. 3, 1983 |
| 4346330 |
Laser generated high electron density source |
Aug. 24, 1982 |
| 4317061 |
Pressure compensating device for a plasma display panel |
Feb. 23, 1982 |
| 4314175 |
Method vapor discharge lamp having specific range of xenon pressures |
Feb. 2, 1982 |
| 4260934 |
Electric device provided with a switch which is designed as a discharge tube |
Apr. 7, 1981 |
| 4233653 |
Low-pressure mercury vapor discharge lamp |
Nov. 11, 1980 |
| 4223243 |
Tube with bonded cathode and electrode structure and getter |
Sep. 16, 1980 |
| 4145634 |
Fluorescent lamp having integral mercury-vapor pressure control means |
Mar. 20, 1979 |
| 4105910 |
Fluorescent lamp with an integral fail-safe and auxiliary-amalgam component |
Aug. 8, 1978 |
| 4047071 |
Lamp having amalgam contained in a porous silicate mass |
Sep. 6, 1977 |
| 4015162 |
Fluorescent lamp having implanted amalgamative metal for mercury vapor regulation |
Mar. 29, 1977 |
| 4005332 |
Efficient DC operated fluorescent lamps |
Jan. 25, 1977 |
| 3970957 |
Flowing gas laser gas regeneration system |
Jul. 20, 1976 |
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