H01K 1/50
Selection of substances for gas fillings
Official title: Selection of substances for gas fillings; Specified pressure thereof
H01K1/50 (Selection of substances for gas fillings) appears on 82 US grants and 41 published applications in this corpus.
Search patents in H01K- Granted patents
- 82
- Published applications
- 41
- Assignees
- 48
- Inventors
- 211
- Latest grant
- 2 Mar 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 6 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 3 |
| 2002 | 5 | 7 |
| 2003 | 7 | 4 |
| 2004 | 6 | 3 |
| 2005 | 5 | 1 |
| 2006 | 1 | 4 |
| 2007 | 0 | 1 |
| 2008 | 3 | 4 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 2 | 4 |
| 2017 | 1 | 3 |
| 2018 | 1 | 0 |
| 2019 | 2 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Infrared device2 Mar 2021US 10,937,643 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Methods and systems using photonic crystal-based integrated computational elements5 Nov 2019US 10,466,167 B2Halliburton Energy Services.Inc.
- Tungsten-halogen electromagnetic radiation optical systems source30 Apr 2019US 10,274,366 B2Halliburton Energy Services.Inc.
- Double-filament incandescent lamp for automotive vehicle front lighting8 May 2018US 9,966,246 B2Koninklijke Philips N. V.
- Liquid filament for incandescent lights1 Aug 2017US 9,723,702 B2Elwha LLC
- Infrared device23 Jul 2020US 2020/0234942 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Methods and systems using photonic crystal-based integrated computational elements28 Sep 2017US 2017/0276601 A1Halliburto Energy Services, Inc.
- Tungsten-halogen electromagnetic radiation optical systems source23 Feb 2017US 2017/0052067 A1Halliburton Energy Services.Inc.
- Liquid filament for incandescent lights9 Feb 2017US 2017/0042006 A1Elwha LLC
- Liquid filament for incandescent lights30 Jun 2016US 2016/0189906 A1Elwha LLC
Most cited
By later US patents
- Filling composition for incandescent lamp, and incandescent lamp containing the same and its use141US 5,432,408 A1995
- Halogen lamps with mains-to-low voltage drivers50US 7,339,790 B2Koninklijke Philips Electronics N. V. · 2008
- Thermophotovoltaic energy conversion using photonic bandgap selective emitters41US 6,583,350 B1Sandia Corporation · 2003
- Photonically engineered incandescent emitter31US 6,611,085 B1Sandia Corporation · 2003
- High efficiency vehicle headlights and reflector lamps29US 5,660,462 AOsram Sylvania Inc. · 1997