G01M 3/3263
Using a differential pressure detector
Official title: {using a differential pressure detector (G01M3/3245, G01M3/3272 take precedence)}
G01M3/3263 (Using a differential pressure detector) appears on 177 US grants and 167 published applications in this corpus.
Search patents in G01M- Granted patents
- 177
- Published applications
- 167
- Assignees
- 119
- Inventors
- 344
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 1 |
| 2002 | 2 | 3 |
| 2003 | 1 | 2 |
| 2004 | 1 | 0 |
| 2005 | 2 | 3 |
| 2006 | 3 | 3 |
| 2007 | 2 | 4 |
| 2008 | 2 | 12 |
| 2009 | 5 | 7 |
| 2010 | 5 | 9 |
| 2011 | 4 | 5 |
| 2012 | 4 | 5 |
| 2013 | 9 | 8 |
| 2014 | 4 | 10 |
| 2015 | 7 | 6 |
| 2016 | 9 | 6 |
| 2017 | 5 | 6 |
| 2018 | 2 | 8 |
| 2019 | 9 | 12 |
| 2020 | 9 | 9 |
| 2021 | 7 | 13 |
| 2022 | 13 | 13 |
| 2023 | 10 | 8 |
| 2024 | 9 | 8 |
| 2025 | 11 | 5 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Leak test condition design method, leak test condition design device, leak testing method, and leak testing device23 Dec 2025US 12,504,346 B2Fukuda Co., Ltd.
- System and method for monitoring and control of steam lost from steam traps2 Dec 2025US 12,486,946 B2Zion Ing S.A.S.
- Apparatus and method for automatic leak detection2 Dec 2025US 12,487,142 B2Ateq
- Display assemblies with differential pressure sensors25 Nov 2025US 12,480,833 B2Manufacturing Resources International, Inc.
- System for detecting leaks and associated method25 Nov 2025US 12,480,834 B2Ateq
- Leak detection system for vehicle battery environment and related methodology1 Jan 2026US 2026/0001406 A1Redline Detection, LLC
- Airflow resistance and air leakage measurement device9 Oct 2025US 2025/0314551 A1Sound Solutions International (Zhenjiang) Co., Ltd.
- Foot switch with a housing and method for checking the tightness of a housing5 Jun 2025US 2025/0180427 A1Steute Technologies GmbH & Co. KG
- Sensor cleaning system and method of diagnosing failure thereof10 Apr 2025US 2025/0116568 A1Hyundai Motor Company
- Display assemblies with differential pressure sensors3 Apr 2025US 2025/0110012 A1Manufacturing Resources International, Inc.
Most cited
By later US patents
- System and method for detecting a leak in an air bed213US 8,336,369 B2Select Comfort Corporation · 2012
- System and method for detecting a leak in an air bed189US 8,931,329 B2Select Comfort Corporation · 2015
- Integrated leak and vision inspection system55US 6,473,169 B1Air Logic Power Systems, Inc. · 2002
- Method for leak testing and leak testing apparatus51US 6,082,184 A2000
- Method and apparatus for electronic leak testing50US 4,587,619 AScans Associates, Inc. · 1986