F04B 2205/08
Pressure difference over a throttle
F04B2205/08 (Pressure difference over a throttle) appears on 58 US grants and 26 published applications in this corpus.
Search patents in F04B- Granted patents
- 58
- Published applications
- 26
- Assignees
- 38
- Inventors
- 115
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 7 | 0 |
| 2001 | 0 | 4 |
| 2002 | 4 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 3 |
| 2008 | 0 | 4 |
| 2009 | 1 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 2 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 2 |
| 2021 | 3 | 1 |
| 2022 | 1 | 2 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
| 2025 | 3 | 2 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Abnormal operating condition validation system for saltwater disposal pump systems and methods of use thereof10 Mar 2026US 12,571,703 B2Saudi Arabian Oil Company
- Reciprocating compressor valve system with embedded sensor17 Feb 2026US 12,553,428 B2Nuovo Pignone Tecnologie Srl
- Bead gasket11 Nov 2025US 12,467,443 B2Schwäbische Hüttenwerke Automotive GmbH
- Fracturing apparatus4 Nov 2025US 12,460,631 B2Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
- Audio control to mask vehicle component noise8 Apr 2025US 12,270,392 B2Pony AI Inc.
- Abnormal operating condition validation system for saltwater disposal pump systems and methods of use thereof30 Jan 2025US 2025/0035511 A1Saudi Arabian Oil Company
- Reciprocating compressor valve system with embedded sensor23 Jan 2025US 2025/0027489 A1Nuovo Pignone Tecnologie Srl
- Fracturing apparatus29 Aug 2024US 2024/0287972 A1Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
- Fracturing apparatus19 Oct 2023US 2023/0332583 A1Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
- Fracturing apparatus17 Nov 2022US 2022/0364453 A1Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
Most cited
By later US patents
- Fracturing apparatus49US 11,668,289 B2Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. · 2023
- Filter loading49US 8,480,373 B2Danfoss Low Power Drives · 2013
- Unitary fluid flow production and control system48US 5,307,288 A1994
- Variable discharge-amount compressor for refrigerant cycle47US 6,149,401 ADenso Corporation · 2000
- Motor vehicle air-conditioning apparatus with engine speed control39US 5,924,296 ADenso Corporation · 1999