G05D 16/0644
The membrane acting directly on the obturator
Official title: {the membrane acting directly on the obturator}
G05D16/0644 (The membrane acting directly on the obturator) appears on 701 US grants and 475 published applications in this corpus.
Search patents in G05D- Granted patents
- 701
- Published applications
- 475
- Assignees
- 410
- Inventors
- 1,151
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 16 | 0 |
| 1977 | 10 | 0 |
| 1978 | 13 | 0 |
| 1979 | 1 | 0 |
| 1980 | 12 | 0 |
| 1981 | 12 | 0 |
| 1982 | 10 | 0 |
| 1983 | 6 | 0 |
| 1984 | 13 | 0 |
| 1985 | 12 | 0 |
| 1986 | 9 | 0 |
| 1987 | 12 | 0 |
| 1988 | 13 | 0 |
| 1989 | 10 | 0 |
| 1990 | 10 | 0 |
| 1991 | 14 | 0 |
| 1992 | 16 | 0 |
| 1993 | 14 | 0 |
| 1994 | 9 | 0 |
| 1995 | 14 | 0 |
| 1996 | 15 | 0 |
| 1997 | 9 | 0 |
| 1998 | 16 | 0 |
| 1999 | 17 | 0 |
| 2000 | 22 | 0 |
| 2001 | 19 | 3 |
| 2002 | 12 | 15 |
| 2003 | 15 | 23 |
| 2004 | 15 | 31 |
| 2005 | 18 | 20 |
| 2006 | 15 | 23 |
| 2007 | 16 | 17 |
| 2008 | 12 | 11 |
| 2009 | 11 | 26 |
| 2010 | 8 | 20 |
| 2011 | 3 | 26 |
| 2012 | 18 | 25 |
| 2013 | 20 | 11 |
| 2014 | 17 | 18 |
| 2015 | 18 | 24 |
| 2016 | 20 | 18 |
| 2017 | 20 | 28 |
| 2018 | 15 | 22 |
| 2019 | 26 | 19 |
| 2020 | 21 | 15 |
| 2021 | 11 | 13 |
| 2022 | 12 | 19 |
| 2023 | 17 | 13 |
| 2024 | 17 | 16 |
| 2025 | 10 | 12 |
| 2026 | 10 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Valves and trim assemblies for valves6 Oct 2026US 12,753,840 B2Fisher Jeon Gas Equipment (Chengdu) Co., Ltd.
- Fluid regulator with improved pressure control28 Jul 2026US 12,693,693 B2Landis+Gyr Technology, Inc.
- Endoscopic medical device for dispensing materials and method of use2 Jun 2026US 12,642,744 B2Boston Scientific Scimed, Inc.
- Combination regulator valve26 May 2026US 12,638,093 B2Engineered Controls International, LLC
- Differential pressure regulator28 Apr 2026US 12,612,978 B2Warner Engineering, Inc.
- Linkage-type constant-pressure valve23 Jul 2026US 2026/0211434 A1Asahi Yukizai Corporation
- Cartridge device16 Jul 2026US 2026/0201963 A1Gate Cfv Solutions, Inc.
- Cartridge Device25 Jun 2026US 2026/0177151 A1Gate Cfv Solutions, Inc.
- Diaphragm for regulating internal pressure of tank and diaphragm assembly comprising same18 Jun 2026US 2026/0169507 A1
- Cylinder Assembly2 Apr 2026US 2026/0092652 A1Matthews International Corporation
Most cited
By later US patents
- Body support system176US 4,982,466 ALeggett & Platt, Incorporated · 1991
- Safety pressure regulator161US 4,457,329 AAir Products and Chemicals, Inc. · 1984
- Device for regulating the flow of cerebrospinal fluid in a drainage circuit143US 5,643,195 A1997
- Airflow control system pump and housing114US 4,986,738 ALeggett & Platt, Incorporated · 1991
- Thermal barrier enclosure system107US 6,308,518 B12001