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