G01F 15/04
Of gases to be measured
Official title: of gases to be measured
G01F15/04 (Of gases to be measured) appears on 259 US grants and 249 published applications in this corpus.
Search patents in G01F- Granted patents
- 259
- Published applications
- 249
- Assignees
- 186
- Inventors
- 614
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 7 | 0 |
| 1994 | 10 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 5 | 0 |
| 2003 | 5 | 3 |
| 2004 | 3 | 12 |
| 2005 | 4 | 3 |
| 2006 | 11 | 9 |
| 2007 | 7 | 4 |
| 2008 | 4 | 5 |
| 2009 | 1 | 5 |
| 2010 | 5 | 5 |
| 2011 | 5 | 8 |
| 2012 | 5 | 7 |
| 2013 | 6 | 6 |
| 2014 | 2 | 6 |
| 2015 | 5 | 18 |
| 2016 | 5 | 12 |
| 2017 | 11 | 15 |
| 2018 | 12 | 21 |
| 2019 | 15 | 18 |
| 2020 | 16 | 15 |
| 2021 | 11 | 20 |
| 2022 | 20 | 17 |
| 2023 | 9 | 9 |
| 2024 | 14 | 17 |
| 2025 | 8 | 9 |
| 2026 | 5 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Gas meter15 Sep 2026US 12,736,373 B2Panasonic Intellectual Property Management Co., Ltd.
- Methods and Internet of Things systems for installing gas pipeline compensators of smart gas9 Jun 2026US 12,650,327 B2Chengdu Qinchuan Iot Technology Co., Ltd.
- Method and smart gas internet of things (IoT) system for determining abnormity of ultrasonic metering device and remote adjustment of ultrasonic metering device2 Jun 2026US 12,644,569 B2Chengdu Qinchuan Iot Technology Co., Ltd.
- Method and device for determining a flow rate28 Apr 2026US 12,613,175 B2Sensirion AG
- Apparatus for measuring a fluid24 Feb 2026US 12,560,464 B2PIETRO FIORENTINI S.p.A.
- Methods and apparatus for respiratory therapy20 Aug 2026US 2026/0241125 A1ResMed Pty Ltd
- Air flow rate measuring device and air flow rate measuring method18 Jun 2026US 2026/0168837 A1Hitachi Astemo, Ltd.
- Flow rate control system and flow rate control method21 May 2026US 2026/0140521 A1Nippon Light Metal Company, Ltd.
- Determining and using a mass flow rate error correction relationship in a vibratory type flow meter7 May 2026US 2026/0126315 A1Micro Motion, Inc.
- Systems and methods to determine a temperature compensated speed of sound for gases2 Apr 2026US 2026/0092902 A1Honeywell International Inc.
Most cited
By later US patents
- Method for wide range gas flow system with real time flow measurement and correction590US 6,119,710 ACyber Instrument Technologies LLC · 2000
- Peritoneal dialysis systems and methods employing pneumatic pressure and temperature-corrected liquid volume measurements436US 5,474,683 ADEKA Products Limited Partnership · 1995
- Compressed natural gas dispensing system109US 4,527,600 ARockwell International Corporation · 1985
- Wide range gas flow system with real time flow measurement and correction99US 6,216,726 B1Cyber Instrument Technologies LLC · 2001
- Aeroacoustic flowmeter96US 4,896,540 A1990