G01M 3/06
By observing bubbles in a liquid pool
Official title: by observing bubbles in a liquid pool
G01M3/06 (By observing bubbles in a liquid pool) appears on 121 US grants and 92 published applications in this corpus.
Search patents in G01M- Granted patents
- 121
- Published applications
- 92
- Assignees
- 105
- Inventors
- 269
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 5 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 3 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 2 |
| 2010 | 1 | 1 |
| 2011 | 1 | 1 |
| 2012 | 2 | 2 |
| 2013 | 2 | 1 |
| 2014 | 1 | 6 |
| 2015 | 2 | 7 |
| 2016 | 2 | 9 |
| 2017 | 6 | 5 |
| 2018 | 5 | 3 |
| 2019 | 4 | 4 |
| 2020 | 6 | 11 |
| 2021 | 7 | 7 |
| 2022 | 6 | 8 |
| 2023 | 4 | 5 |
| 2024 | 4 | 4 |
| 2025 | 7 | 7 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Valve seat inspection method and valve seat inspection device using image recognition camera29 Sep 2026US 12,748,008 B2Kitz Corporation
- Method of detecting leakage of substrate holder15 Sep 2026US 12,736,431 B2Ebara Corporation
- Modulated weight reduced ferrule canister27 Jan 2026US 12,533,295 B2
- Vacuum relief valve for railroad tank car16 Dec 2025US 12,498,056 B2Valve & Machining LLC
- System and method for detecting leaks in a fluid filled vessel15 Jul 2025US 12,360,000 B2Red Rhino of FL, Inc.
- Vacuum Relief Valve for Railroad Tank Car25 Jun 2026US 2026/0177165 A1McKenzie Valve & Machining LLC
- Devices and related methods for measuring gas permeation of pipes and vessels28 Aug 2025US 2025/0271323 A1Iq4H2, LLC
- Device for testing gas tightness of cryogenic thermal insulation module and gas fluidity therein3 Jul 2025US 2025/0216286 A1Hudong-Zhonghua Shipbuilding (Group) Co., Ltd.
- Modulated weight reduced ferrule canister6 Mar 2025US 2025/0073124 A1
- Methods And Apparatus For Checking Emitter Bonds In An Irrigation Drip Line20 Feb 2025US 2025/0060271 A1Rain Bird Corporation
Most cited
By later US patents
- Early warning water leak detection system252US 6,526,807 B12003
- Reclosable seams for fluid-tight applications106US 4,841,603 AMinigrip, Inc. · 1989
- Holding device for containers89US 5,014,868 ACCL Custom Manufacturing, Inc. · 1991
- Early warning water leak detection system58US 6,147,613 A2000
- Method and apparatus for inspection of nuclear fuel rods57US 4,016,749 A1977