G01L 13/00
Devices or apparatus for measuring differences of two or more fluid pressure
Official title: Devices or apparatus for measuring differences of two or more fluid pressure values
G01L13/00 (Devices or apparatus for measuring differences of two or more fluid pressure) appears on 897 US grants and 836 published applications in this corpus.
Search patents in G01L- Granted patents
- 897
- Published applications
- 836
- Assignees
- 467
- Inventors
- 1,712
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 11 | 0 |
| 1978 | 10 | 0 |
| 1979 | 9 | 0 |
| 1980 | 7 | 0 |
| 1981 | 11 | 0 |
| 1982 | 15 | 0 |
| 1983 | 10 | 0 |
| 1984 | 8 | 0 |
| 1985 | 15 | 0 |
| 1986 | 9 | 0 |
| 1987 | 12 | 0 |
| 1988 | 14 | 0 |
| 1989 | 8 | 0 |
| 1990 | 3 | 0 |
| 1991 | 7 | 0 |
| 1992 | 5 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 9 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 8 | 0 |
| 2001 | 4 | 2 |
| 2002 | 6 | 9 |
| 2003 | 17 | 4 |
| 2004 | 6 | 9 |
| 2005 | 6 | 11 |
| 2006 | 10 | 20 |
| 2007 | 14 | 9 |
| 2008 | 12 | 11 |
| 2009 | 12 | 19 |
| 2010 | 14 | 28 |
| 2011 | 19 | 12 |
| 2012 | 19 | 21 |
| 2013 | 18 | 25 |
| 2014 | 19 | 38 |
| 2015 | 27 | 49 |
| 2016 | 30 | 43 |
| 2017 | 48 | 61 |
| 2018 | 43 | 79 |
| 2019 | 76 | 50 |
| 2020 | 47 | 70 |
| 2021 | 50 | 59 |
| 2022 | 56 | 46 |
| 2023 | 49 | 50 |
| 2024 | 45 | 47 |
| 2025 | 39 | 42 |
| 2026 | 16 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electromechanical system comprising two movable elements side by side15 Sep 2026US 12,739,571 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- MEMS pressure sensor11 Aug 2026US 12,704,427 B2MEI Micro, Inc.
- Fluid pressure detector11 Aug 2026US 12,704,429 B1Safran Aerosystems Hydraulics
- Pressure sensor package with a sensor die21 Jul 2026US 12,687,445 B2TE Connectivity Solutions GmbH
- Differential pressure measuring device and substrate treating facility including the same23 Jun 2026US 12,663,328 B2Semes Co., Ltd.
- Protective cover for differential pressure sensor1 Oct 2026US 2026/0298755 A1Cummins Emission Solutions Inc.
- Apparatus for diagnosing battery and method thereof1 Oct 2026US 2026/0302392 A1Hyundai Motor Company
- Resettable pressure differential gauge with memory17 Sep 2026US 2026/0276467 A1Mikropor Makina Sanayi Ve Ticaret Anonim Sirketi
- System for measuring differential pressure in an underwater environment10 Sep 2026US 2026/0266677 A1Centre National de la Recherche Scientifique (CNRS)
- Differential pressure assembly with protective boot and arrangement for amplifying pointer3 Sep 2026US 2026/0259095 A1Watts Regulator Co.
Most cited
By later US patents
- Creating a customized avatar that reflects a user's distinguishable attributes524US 8,146,005 B2International Business Machines Corporation · 2012
- Inflatable air mattress system with detection techniques135US 9,510,688 B2Select Comfort Corporation · 2016
- Pressure transmitter with stress isolation depression124US 5,094,109 ARosemount Inc. · 1992
- Process pressure measurement devices with improved error compensation121US 6,295,875 B1Rosemount Inc. · 2001
- Apparatus for conveying fluid pressures to a differential pressure transducer106US 4,466,290 ARosemount Inc. · 1984