G01M 3/00
Investigating fluid-tightness of structures
G01M3/00 (Investigating fluid-tightness of structures) appears on 8,273 US grants and 7,298 published applications in this corpus.
Search patents in G01M- Granted patents
- 8,273
- Published applications
- 7,298
- Assignees
- 3,918
- Inventors
- 16,635
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 88 | 0 |
| 1977 | 67 | 0 |
| 1978 | 77 | 0 |
| 1979 | 60 | 0 |
| 1980 | 58 | 0 |
| 1981 | 57 | 0 |
| 1982 | 57 | 0 |
| 1983 | 76 | 0 |
| 1984 | 82 | 0 |
| 1985 | 98 | 0 |
| 1986 | 92 | 0 |
| 1987 | 107 | 0 |
| 1988 | 104 | 0 |
| 1989 | 121 | 0 |
| 1990 | 121 | 0 |
| 1991 | 106 | 0 |
| 1992 | 126 | 0 |
| 1993 | 120 | 0 |
| 1994 | 162 | 0 |
| 1995 | 108 | 0 |
| 1996 | 125 | 0 |
| 1997 | 99 | 0 |
| 1998 | 103 | 0 |
| 1999 | 127 | 0 |
| 2000 | 123 | 0 |
| 2001 | 110 | 29 |
| 2002 | 114 | 90 |
| 2003 | 135 | 122 |
| 2004 | 99 | 153 |
| 2005 | 104 | 141 |
| 2006 | 128 | 132 |
| 2007 | 95 | 145 |
| 2008 | 81 | 193 |
| 2009 | 102 | 152 |
| 2010 | 134 | 185 |
| 2011 | 101 | 180 |
| 2012 | 118 | 184 |
| 2013 | 147 | 237 |
| 2014 | 169 | 269 |
| 2015 | 197 | 324 |
| 2016 | 229 | 334 |
| 2017 | 286 | 338 |
| 2018 | 300 | 449 |
| 2019 | 419 | 470 |
| 2020 | 418 | 506 |
| 2021 | 407 | 457 |
| 2022 | 416 | 494 |
| 2023 | 401 | 436 |
| 2024 | 438 | 486 |
| 2025 | 379 | 420 |
| 2026 | 282 | 372 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01M 3/02Investigating fluid-tightness of structures: by using fluid or vacuum7,399
- G01M 3/38Investigating fluid-tightness of structures: by using light774
- G01M 3/002Investigating fluid-tightness of structures: by using thermal means417
- G01M 3/40Investigating fluid-tightness of structures: by using electric means314
- G01M 3/005Investigating fluid-tightness of structures: using pigs or moles278
- G01M 3/007Leak detector calibration, standard leaks157
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