G01L 13/021
Using deformable tubes
Official title: {using deformable tubes}
G01L13/021 (Using deformable tubes) appears on 9 US grants and 6 published applications in this corpus.
Search patents in G01L- Granted patents
- 9
- Published applications
- 6
- Assignees
- 8
- Inventors
- 18
- Latest grant
- 31 Dec 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 3 |
| 2016 | 2 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Sensing tube diagnostic systems and methods31 Dec 2019US 10,521,982 B2GM Global Technology Operations LLC
- Pressure sensing apparatus including a plurality of electroactive polymer strips19 Jul 2016US 9,394,896 B2Parker-Hannifin Corporation
- Capacitance-based pressure sensor including pressure vessel(s)24 May 2016US 9,347,846 B2Kionix, Inc.
- Method and apparatus for pressure measurement using fill tube7 Jun 2011US 7,954,383 B2Rosemount Inc.
- Pressure gauge with fiber optic sensor11 Aug 1992US 5,138,155 ASpan Instruments, Inc.
- Differential pressure sensors for dynamic, high pressure, hydraulic systems27 Mar 2025US 2025/0102386 A1Illinois Tool Works Inc.
- Sensing tube diagnostic systems and methods18 Jul 2019US 2019/0221056 A1GM Global Technology Operations LLC
- Safety Device and Inflating Apparatus Therefor17 Dec 2015US 2015/0360759 A1Zactill Intellectual Property Pty Ltd
- Capacitance-based pressure sensor including pressure vessel(s)1 Oct 2015US 2015/0276532 A1Kionix, Inc.
- Self pumping and sensing hose utilizing electroactive polymer strips1 Jan 2015US 2015/0000423 A1Parker-Hannifin Corporation
Most cited
By later US patents
- Resonance frequency liquid level sensor10US 5,074,148 A1991
- Dual bourdon tube type sensing pressure transducer9US 4,718,279 ADwyer Instruments, Inc. · 1988
- Pressure gauge with fiber optic sensor9US 5,138,155 ASpan Instruments, Inc. · 1992
- Method and apparatus for pressure measurement using fill tube4US 7,954,383 B2Rosemount Inc. · 2011
- Differential pressure sensor with read-out device2US 5,070,736 A1991