G05D 16/04
Without auxiliary power
Official title: without auxiliary power
G05D16/04 (Without auxiliary power) appears on 1,891 US grants and 1,442 published applications in this corpus.
Search patents in G05D- Granted patents
- 1,891
- Published applications
- 1,442
- Assignees
- 993
- Inventors
- 2,965
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 32 | 0 |
| 1977 | 20 | 0 |
| 1978 | 26 | 0 |
| 1979 | 17 | 0 |
| 1980 | 23 | 0 |
| 1981 | 25 | 0 |
| 1982 | 16 | 0 |
| 1983 | 11 | 0 |
| 1984 | 21 | 0 |
| 1985 | 27 | 0 |
| 1986 | 24 | 0 |
| 1987 | 26 | 0 |
| 1988 | 26 | 0 |
| 1989 | 24 | 0 |
| 1990 | 27 | 0 |
| 1991 | 36 | 0 |
| 1992 | 36 | 0 |
| 1993 | 36 | 0 |
| 1994 | 21 | 0 |
| 1995 | 35 | 0 |
| 1996 | 31 | 0 |
| 1997 | 35 | 0 |
| 1998 | 36 | 0 |
| 1999 | 42 | 0 |
| 2000 | 44 | 0 |
| 2001 | 45 | 10 |
| 2002 | 31 | 28 |
| 2003 | 30 | 52 |
| 2004 | 37 | 63 |
| 2005 | 36 | 50 |
| 2006 | 40 | 62 |
| 2007 | 37 | 38 |
| 2008 | 35 | 51 |
| 2009 | 20 | 56 |
| 2010 | 25 | 43 |
| 2011 | 18 | 54 |
| 2012 | 48 | 56 |
| 2013 | 44 | 37 |
| 2014 | 33 | 60 |
| 2015 | 58 | 72 |
| 2016 | 60 | 74 |
| 2017 | 60 | 82 |
| 2018 | 59 | 87 |
| 2019 | 83 | 80 |
| 2020 | 73 | 61 |
| 2021 | 66 | 67 |
| 2022 | 51 | 63 |
| 2023 | 60 | 53 |
| 2024 | 62 | 64 |
| 2025 | 48 | 44 |
| 2026 | 35 | 35 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G05D 16/06The sensing element being a flexible membrane, yielding to pressure1,115
- G05D 16/10The sensing element being a piston or plunger734
- G05D 16/0402With two or more controllers mounted in series123
- G05D 16/0404With two or more controllers mounted in parallel80
- G05D 16/12The sensing element being a float11
Recent patents
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- System and method for monitoring liquid adhesive flow29 Sep 2026US 12,747,968 B2Nordson Corporation
- Pressure regulator and disk assembly for a pressure regulator1 Sep 2026US 12,724,437 B2Emerson Process Management Regulator Technologies, Inc.
- Submersion system25 Aug 2026US 12,714,229 B2
- Method and apparatus for regulating underwater seismic source pressure3 Sep 2026US 2026/0259336 A1Sercel
- Fluid control valve with diaphragm tensioning geometry27 Aug 2026US 2026/0251225 A1Equilibar, LLC
- Pressure reduction valve20 Aug 2026US 2026/0244227 A1Aisan Kogyo Kabushiki Kaisha
- Slam-shut valves and controller devices for slam-shut valves6 Aug 2026US 2026/0226998 A1Emerson Process Management Regulator Technologies, Inc.
- Linkage-type constant-pressure valve23 Jul 2026US 2026/0211434 A1Asahi Yukizai Corporation
Most cited
By later US patents
- Valve system with removable fluid interface540US 5,088,515 A1992
- Method and system for measuring volume and controlling flow439US 5,533,389 ADEKA Products Limited Partnership · 1996
- Flow control system with volume-measuring system using a resonatable mass332US 5,575,310 ADEKA Products Limited Partnership · 1996
- Valve system with removable fluid interface318US 5,178,182 ADEKA Products Limited Partnership · 1993
- Flow conrol system281US 5,526,844 ADEKA Products Limited Partnership · 1996