Measuring steady of quasi-steady pressure of fluid or fluent solid material by
Official title: Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements {(G01L11/004 takes precedence)}; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means (measuring differences of two or more pressure values G01L13/00; measuring two or more pressure values simultaneously G01L15/00)
G01L9/00 (Measuring steady of quasi-steady pressure of fluid or fluent solid material by) appears on 6,314 US grants and 4,712 published applications in this corpus.
Search patents in G01L- Granted patents
- 6,314
- Published applications
- 4,712
- Assignees
- 2,080
- Inventors
- 10,258
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 60 | 0 |
| 1977 | 66 | 0 |
| 1978 | 72 | 0 |
| 1979 | 63 | 0 |
| 1980 | 73 | 0 |
| 1981 | 69 | 0 |
| 1982 | 68 | 0 |
| 1983 | 78 | 0 |
| 1984 | 91 | 0 |
| 1985 | 97 | 0 |
| 1986 | 92 | 0 |
| 1987 | 97 | 0 |
| 1988 | 97 | 0 |
| 1989 | 104 | 0 |
| 1990 | 86 | 0 |
| 1991 | 103 | 0 |
| 1992 | 106 | 0 |
| 1993 | 88 | 0 |
| 1994 | 117 | 0 |
| 1995 | 99 | 0 |
| 1996 | 102 | 0 |
| 1997 | 91 | 0 |
| 1998 | 79 | 0 |
| 1999 | 93 | 0 |
| 2000 | 97 | 0 |
| 2001 | 83 | 20 |
| 2002 | 82 | 89 |
| 2003 | 131 | 100 |
| 2004 | 84 | 130 |
| 2005 | 120 | 147 |
| 2006 | 147 | 184 |
| 2007 | 137 | 173 |
| 2008 | 138 | 120 |
| 2009 | 111 | 145 |
| 2010 | 125 | 156 |
| 2011 | 105 | 142 |
| 2012 | 128 | 170 |
| 2013 | 142 | 190 |
| 2014 | 166 | 216 |
| 2015 | 171 | 290 |
| 2016 | 194 | 295 |
| 2017 | 277 | 290 |
| 2018 | 269 | 280 |
| 2019 | 268 | 252 |
| 2020 | 221 | 266 |
| 2021 | 210 | 234 |
| 2022 | 215 | 203 |
| 2023 | 206 | 198 |
| 2024 | 161 | 165 |
| 2025 | 142 | 158 |
| 2026 | 93 | 99 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
- G01L 9/0041Transmitting or indicating the displacement of flexible diaphragms4,264
- G01L 9/0001Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical909
- G01L 9/02Measuring steady of quasi-steady pressure of fluid or fluent solid material by785
- G01L 9/12Measuring steady of quasi-steady pressure of fluid or fluent solid material by540
- G01L 9/08Measuring steady of quasi-steady pressure of fluid or fluent solid material by203
- G01L 9/0026Transmitting or indicating the displacement of flexible, deformable tubes by electric, electromechanical159
- G01L 9/0033Transmitting or indicating the displacement of bellows by electric, electromechanical, magnetic, or120
- G01L 9/0091Transmitting or indicating the displacement of liquid mediums by electrical, electromechanical, magnetic89
All 15 subgroupsShow fewer
- G01L 9/14Involving the displacement of magnets87
- G01L 9/16Measuring steady of quasi-steady pressure of fluid or fluent solid material by85
- G01L 9/0082Transmitting or indicating the displacement of capsules by electric, electromechanical, magnetic, or82
- G01L 9/0089Transmitting or indicating the displacement of pistons by electrical, electromechanical, magnetic or77
- G01L 9/10Measuring steady of quasi-steady pressure of fluid or fluent solid material by74
- G01L 9/0098Measuring steady of quasi-steady pressure of fluid or fluent solid material by57
- G01L 9/18Measuring steady of quasi-steady pressure of fluid or fluent solid material by7
Recent patents
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- Pressure sensor8 Oct 2026US 2026/0309565 A1Illinois Tool Works Inc.
- Sensor system and method for verifying the safety integrity of a sensor system8 Oct 2026US 2026/0309567 A1Pilz GmbH & Co.KG
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Most cited
- Process for the production of thin semiconductor material films1,233US 5,374,564 ACommissariat A L' Energie Atomique · 1994
- Pressure and temperature sensor545US 4,554,927 AThermometrics, Inc. · 1985
- Three-parameter optical fiber sensor and system497US 4,986,671 ALuxtron Corporation · 1991
- Opto-electro-mechanical device or filter, process for making, and sensors made therefrom408US 5,559,358 AHoneywell Inc. · 1996
- Transducer in-situ testing apparatus and method396US 6,698,269 B2Oceana Sensor Technologies, Inc. · 2004