G05D 7/01
Without auxiliary power
Official title: without auxiliary power
G05D7/01 (Without auxiliary power) appears on 1,096 US grants and 764 published applications in this corpus.
Search patents in G05D- Granted patents
- 1,096
- Published applications
- 764
- Assignees
- 711
- Inventors
- 1,906
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 33 | 0 |
| 1977 | 22 | 0 |
| 1978 | 24 | 0 |
| 1979 | 9 | 0 |
| 1980 | 17 | 0 |
| 1981 | 17 | 0 |
| 1982 | 14 | 0 |
| 1983 | 5 | 0 |
| 1984 | 7 | 0 |
| 1985 | 15 | 0 |
| 1986 | 14 | 0 |
| 1987 | 25 | 0 |
| 1988 | 18 | 0 |
| 1989 | 20 | 0 |
| 1990 | 16 | 0 |
| 1991 | 21 | 0 |
| 1992 | 19 | 0 |
| 1993 | 28 | 0 |
| 1994 | 16 | 0 |
| 1995 | 14 | 0 |
| 1996 | 14 | 0 |
| 1997 | 18 | 0 |
| 1998 | 18 | 0 |
| 1999 | 24 | 0 |
| 2000 | 15 | 0 |
| 2001 | 28 | 4 |
| 2002 | 12 | 14 |
| 2003 | 20 | 25 |
| 2004 | 23 | 27 |
| 2005 | 16 | 26 |
| 2006 | 21 | 25 |
| 2007 | 15 | 23 |
| 2008 | 6 | 28 |
| 2009 | 12 | 19 |
| 2010 | 19 | 30 |
| 2011 | 14 | 25 |
| 2012 | 17 | 21 |
| 2013 | 21 | 41 |
| 2014 | 24 | 42 |
| 2015 | 28 | 48 |
| 2016 | 49 | 58 |
| 2017 | 43 | 42 |
| 2018 | 43 | 35 |
| 2019 | 46 | 42 |
| 2020 | 29 | 39 |
| 2021 | 39 | 45 |
| 2022 | 34 | 29 |
| 2023 | 39 | 25 |
| 2024 | 25 | 20 |
| 2025 | 18 | 16 |
| 2026 | 12 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G05D 7/0126The sensing element being a piston or plunger associated with one or406
- G05D 7/0106The sensing element being a flexible member375
- G05D 7/0186Without moving parts102
- G05D 7/0146The in-line sensing element being a piston or float without flexible member77
- G05D 7/0173Using pivoting sensing element acting as a valve mounted within the flow-path57
- G05D 7/0193Using hydraulic or pneumatic amplifiers, relays or transmitters21
- G05D 7/0166The sensing element being a float or a ball placed outside the17
- G05D 7/018Using rotary sensing element13
Recent patents
- Method for producing a nonlinear cylindrical spring and use of such a spring28 Jul 2026US 12,693,689 B2Rolls-Royce Deutschland Ltd & Co KG
- Passive modulating design for fast responding control valves for high pressure gas applications28 Jul 2026US 12,693,690 B2Kalsi Engineering, Inc.
- Valve assembly and fluid arrangement for continuous delivery of volumetrically proportioned fluids14 Jul 2026US 12,681,508 B2
- Cartridge for dynamic reduction of a pressure of a fluid and related device for treating a fluid30 Jun 2026US 12,669,190 B2I.V.A.R. S.P.A.
- Device comprising a floating plate and extendable pipe for controlled discharge of liquid16 Jun 2026US 12,656,791 B2Premier Tech Eau Et Environnement LtéE
- Relating to valves and methods therefor8 Oct 2026US 2026/0309235 A1
- Electric bleed off valve assembly8 Oct 2026US 2026/0309251 A1FMC Technologies, Inc.
- Recirculation valve1 Oct 2026US 2026/0298354 A1Kyungdong Navien Co., Ltd.
- Reduced Stroke Control Cartridge For Hydraulic Valve20 Aug 2026US 2026/0243353 A1Giacomini S.p. A.
- System and method having thermal control for gas capture system30 Jul 2026US 2026/0218654 A1General Electric Technology GmbH
Most cited
By later US patents
- Flexible valve for administering constant flow rates of medicine from a nebulizer322US 5,655,520 A1997
- Flow regulating valve and method298US 5,685,296 ARespironics, Inc. · 1997
- Powder inhaler with breath flow regulation valve164US 5,727,546 AFisons Limited · 1998
- Flow regulating valve in a breathing gas delivery system148US 5,937,855 ARespironics, Inc. · 1999
- Flow controlled shower head122US 4,244,526 A1981