H01S 3/036
Means for obtaining or maintaining the desired gas pressure within the tube
Official title: Means for obtaining or maintaining the desired gas pressure within the tube, e.g. by gettering, replenishing; Means for circulating the gas, e.g. for equalising the pressure within the tube {(H01S3/031 takes precedence)}
H01S3/036 (Means for obtaining or maintaining the desired gas pressure within the tube) appears on 783 US grants and 485 published applications in this corpus.
Search patents in H01S- Granted patents
- 783
- Published applications
- 485
- Assignees
- 225
- Inventors
- 1,146
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 7 | 0 |
| 1981 | 8 | 0 |
| 1982 | 10 | 0 |
| 1983 | 7 | 0 |
| 1984 | 8 | 0 |
| 1985 | 18 | 0 |
| 1986 | 22 | 0 |
| 1987 | 31 | 0 |
| 1988 | 30 | 0 |
| 1989 | 30 | 0 |
| 1990 | 28 | 0 |
| 1991 | 28 | 0 |
| 1992 | 13 | 0 |
| 1993 | 11 | 0 |
| 1994 | 15 | 0 |
| 1995 | 11 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 17 | 0 |
| 1999 | 15 | 0 |
| 2000 | 27 | 0 |
| 2001 | 20 | 12 |
| 2002 | 24 | 52 |
| 2003 | 44 | 23 |
| 2004 | 36 | 36 |
| 2005 | 24 | 20 |
| 2006 | 23 | 22 |
| 2007 | 21 | 19 |
| 2008 | 15 | 20 |
| 2009 | 12 | 1 |
| 2010 | 13 | 12 |
| 2011 | 5 | 8 |
| 2012 | 6 | 11 |
| 2013 | 10 | 17 |
| 2014 | 17 | 17 |
| 2015 | 18 | 24 |
| 2016 | 30 | 23 |
| 2017 | 24 | 18 |
| 2018 | 13 | 18 |
| 2019 | 12 | 16 |
| 2020 | 7 | 15 |
| 2021 | 11 | 9 |
| 2022 | 6 | 16 |
| 2023 | 8 | 13 |
| 2024 | 10 | 16 |
| 2025 | 14 | 25 |
| 2026 | 3 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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