G05D 7/00
Control of flow
Official title: Control of flow (level control G05D9/00; control of flow ratio G05D11/00)
G05D7/00 (Control of flow) appears on 5,127 US grants and 4,926 published applications in this corpus.
Search patents in G05D- Granted patents
- 5,127
- Published applications
- 4,926
- Assignees
- 2,410
- Inventors
- 9,436
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 44 | 0 |
| 1977 | 38 | 0 |
| 1978 | 41 | 0 |
| 1979 | 25 | 0 |
| 1980 | 39 | 0 |
| 1981 | 32 | 0 |
| 1982 | 28 | 0 |
| 1983 | 17 | 0 |
| 1984 | 21 | 0 |
| 1985 | 37 | 0 |
| 1986 | 28 | 0 |
| 1987 | 54 | 0 |
| 1988 | 32 | 0 |
| 1989 | 54 | 0 |
| 1990 | 45 | 0 |
| 1991 | 51 | 0 |
| 1992 | 64 | 0 |
| 1993 | 63 | 0 |
| 1994 | 59 | 0 |
| 1995 | 43 | 0 |
| 1996 | 52 | 0 |
| 1997 | 43 | 0 |
| 1998 | 49 | 0 |
| 1999 | 66 | 0 |
| 2000 | 62 | 0 |
| 2001 | 76 | 16 |
| 2002 | 51 | 69 |
| 2003 | 62 | 86 |
| 2004 | 64 | 104 |
| 2005 | 59 | 106 |
| 2006 | 77 | 106 |
| 2007 | 64 | 97 |
| 2008 | 46 | 89 |
| 2009 | 44 | 93 |
| 2010 | 77 | 128 |
| 2011 | 66 | 130 |
| 2012 | 81 | 139 |
| 2013 | 107 | 218 |
| 2014 | 132 | 259 |
| 2015 | 178 | 309 |
| 2016 | 210 | 348 |
| 2017 | 269 | 334 |
| 2018 | 309 | 340 |
| 2019 | 377 | 349 |
| 2020 | 326 | 304 |
| 2021 | 301 | 295 |
| 2022 | 251 | 261 |
| 2023 | 250 | 210 |
| 2024 | 229 | 220 |
| 2025 | 227 | 195 |
| 2026 | 107 | 121 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Wireless sprinkler valve system6 Oct 2026US 12,751,384 B1Rain Bird Corporation
- Apparatus, system and method for fluid delivery6 Oct 2026US 12,751,899 B2DEKA Products Limited Partnership
- System and method for controlling valve6 Oct 2026US 12,752,072 B2Koninklijke Philips N. V.
- Shot peening flow control valve and its method of use6 Oct 2026US 12,752,395 B2Abrasive Engineering Pte Ltd
- Flow control arrangements, semiconductor processing systems having flow control arrangements, and flow control methods6 Oct 2026US 12,753,499 B2ASM IP Holding B. V.
- Relating to valves and methods therefor8 Oct 2026US 2026/0309235 A1
- Electric bleed off valve assembly8 Oct 2026US 2026/0309251 A1FMC Technologies, Inc.
- Snow environment test apparatus and snow environment test method8 Oct 2026US 2026/0309615 A1Espec Corp.
- Digital gas assist with flow control and gauge8 Oct 2026US 2026/0310242 A1Dionex Corporation
- Systems and method for dynamically calibrating a fluid dispensing system8 Oct 2026US 2026/0310243 A1Zaxis, Inc.
Most cited
By later US patents
- Process fluid flow device with variable orifice1,068US 7,255,012 B2Rosemount Inc. · 2007
- Dynamic gas flow controller608US 5,865,205 AAPPLIED Materials.Inc. · 1999
- Method for wide range gas flow system with real time flow measurement and correction590US 6,119,710 ACyber Instrument Technologies LLC · 2000
- Liquid flow controller and precision dispense apparatus and system569US 8,082,946 B2Entegris, Inc. · 2011
- Fluid delivery control and monitoring apparatus for a medication infusion system406US 4,919,596 APacesetter Infusion, Ltd. · 1990