Patents for F21H 1 - Incandescent mantles; Selection of imbibition liquids therefor (150) | |
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01/1992 | |
01/22/1992 | CN2093954U Liquefied petroleum gas mantle |
01/07/1992 | US5079473 Optical light source device |
12/1991 | |
12/10/1991 | US5071799 Zirconia, yttria and erbia impregnated cellulosic fabric subst rate, tensile strength, nonradio active |
11/1991 | |
11/27/1991 | CN2089567U Oil burning lamp |
10/1991 | |
10/23/1991 | EP0452419A1 Incandescent mantles |
10/23/1991 | CN2087277U Incandescent lamp using butagas |
10/15/1991 | US5057162 Thermophotovoltaic technology |
09/1991 | |
09/25/1991 | CN2085461U Mini-gas lamp |
05/1991 | |
05/15/1991 | CN2077076U Pipe kerosene gasification lamp |
04/1991 | |
04/24/1991 | CN2075736U Gas burning lamp |
04/17/1991 | CN2075294U Gas emergency lamp |
03/1991 | |
03/20/1991 | EP0417470A2 Optical light source device |
03/20/1991 | CN2073529U Illuminating lamp using butane |
03/20/1991 | CN2073528U Low-pressur methane lamp |
03/06/1991 | CN2072634U High-brightness hanging lamp type kerosene lamp |
03/06/1991 | CN1049709A Non-radioactive infusion for incandescent gas lamp mantle |
12/1990 | |
12/11/1990 | US4976606 Power generation system |
12/04/1990 | US4975044 Gas mantle technology |
11/1990 | |
11/28/1990 | CN2066546U Emergency gas lamp |
10/1990 | |
10/17/1990 | CN1046214A Candescent mantle of gas lamp |
07/1990 | |
07/04/1990 | WO1990007478A1 Incandescent mantles |
07/04/1990 | CA2047227A1 Incandescent mantles |
04/1990 | |
04/11/1990 | CN2055903U Blast high temp. lamp for experiment |
04/04/1990 | CN2055570U Blowpipe type preheater |
02/1990 | |
02/28/1990 | CN2053710U Smokeless and smelless diesel oil lamp |
12/1989 | |
12/27/1989 | CN2050126U Lamps and lanterns burning marsh gas or liquefied gas natural gas |
12/14/1989 | WO1989012200A1 Gas mantle technology |
11/1989 | |
11/28/1989 | US4883619 Refractory metal oxide processes |
11/21/1989 | US4881893 Metallic lantern mantle |
10/1989 | |
10/31/1989 | US4877553 Gas mantle technology |
09/1989 | |
09/26/1989 | CA1260255A1 Candoluminescent material and its preparation process |
07/1989 | |
07/05/1989 | CN2040578U Kerosene lamp made of easily-opening can |
05/1989 | |
05/02/1989 | US4826426 Thermophotovoltaic technology |
11/1988 | |
11/01/1988 | CA1243854A1 Yttrium oxide mantles for fuel-burning lanterns |
08/1988 | |
08/16/1988 | US4764104 Rare earth oxide radiator; heat activated |
01/1988 | |
01/06/1988 | CN87204133U Medium pressure acetylene lamp |
11/1987 | |
11/24/1987 | CA1229496A1 Thermophotovoltaic technology |
09/1987 | |
09/22/1987 | CA1227053A1 Gas mantle technology |
08/1986 | |
08/27/1986 | EP0191910A1 Ceramic fire tube for a radiant heating cover tube of an industrial burner |
08/05/1986 | US4604228 Candoluminescent material and its preparation process |
06/1986 | |
06/17/1986 | CA1206014A1 Candoluminescent material, its preparation process and its use as a gas lamp mantle |
04/1986 | |
04/22/1986 | US4584426 Thermophotovoltaic technology |
10/1985 | |
10/23/1985 | EP0159212A1 Candoluminescent material and process for its production |
08/1985 | |
08/06/1985 | US4533317 With cerium oxide, on woven fabric sack |
07/1985 | |
07/30/1985 | US4532073 Candoluminescent material and its preparation |
05/1985 | |
05/02/1985 | EP0139434A2 Thermophotovoltaic technology |
02/1984 | |
02/22/1984 | EP0101086A1 Metal oxide articles, processes for their production and light sources |
06/1983 | |
06/22/1983 | EP0082062A1 Candoluminescent material, method of preparation and use as an incandescent mantle |
04/1979 | |
04/24/1979 | CA1053019A1 Firing device for gas lighting appliances |
05/1977 | |
05/24/1977 | US4025288 Gas lamp igniter device |
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