G01N 33/0009
General constructional details of gas analysers
Official title: {General constructional details of gas analysers, e.g. portable test equipment (devices for withdrawing samples in the gaseous state G01N1/22)}
G01N33/0009 (General constructional details of gas analysers) appears on 7,278 US grants and 8,341 published applications in this corpus.
Search patents in G01N- Granted patents
- 7,278
- Published applications
- 8,341
- Assignees
- 3,466
- Inventors
- 17,500
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 41 | 0 |
| 1977 | 30 | 0 |
| 1978 | 37 | 0 |
| 1979 | 37 | 0 |
| 1980 | 36 | 0 |
| 1981 | 44 | 0 |
| 1982 | 43 | 0 |
| 1983 | 37 | 0 |
| 1984 | 30 | 0 |
| 1985 | 30 | 0 |
| 1986 | 33 | 0 |
| 1987 | 28 | 0 |
| 1988 | 23 | 0 |
| 1989 | 46 | 0 |
| 1990 | 27 | 0 |
| 1991 | 43 | 0 |
| 1992 | 55 | 0 |
| 1993 | 61 | 0 |
| 1994 | 85 | 0 |
| 1995 | 62 | 0 |
| 1996 | 78 | 0 |
| 1997 | 68 | 0 |
| 1998 | 89 | 0 |
| 1999 | 102 | 0 |
| 2000 | 102 | 0 |
| 2001 | 110 | 37 |
| 2002 | 101 | 115 |
| 2003 | 104 | 150 |
| 2004 | 87 | 164 |
| 2005 | 83 | 136 |
| 2006 | 85 | 131 |
| 2007 | 96 | 127 |
| 2008 | 74 | 130 |
| 2009 | 75 | 147 |
| 2010 | 90 | 158 |
| 2011 | 117 | 178 |
| 2012 | 88 | 176 |
| 2013 | 126 | 219 |
| 2014 | 166 | 288 |
| 2015 | 182 | 430 |
| 2016 | 249 | 469 |
| 2017 | 353 | 533 |
| 2018 | 399 | 518 |
| 2019 | 425 | 521 |
| 2020 | 453 | 620 |
| 2021 | 462 | 575 |
| 2022 | 437 | 609 |
| 2023 | 478 | 548 |
| 2024 | 422 | 534 |
| 2025 | 415 | 455 |
| 2026 | 334 | 373 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01N 33/0027Concerning the detector5,147
- G01N 33/0011Sample conditioning1,192
- G01N 33/0062Concerning the measuring method or the display828
- G01N 33/0073Control unit therefor725
- G01N 33/007Arrangements to check the analyser302
- G01N 33/0022Using a number of analysing channels130
- G01N 33/0026Using an alternating circulation of another gas91
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By later US patents
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