F16K 37/0075
Special means in or on valves or other cut-off apparatus for indicating
Official title: {For recording or indicating the functioning of a valve in combination with test equipment}
F16K37/0075 (Special means in or on valves or other cut-off apparatus for indicating) appears on 1,028 US grants and 1,074 published applications in this corpus.
Search patents in F16K- Granted patents
- 1,028
- Published applications
- 1,074
- Assignees
- 572
- Inventors
- 2,127
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 11 | 0 |
| 1986 | 4 | 0 |
| 1987 | 7 | 0 |
| 1988 | 6 | 0 |
| 1989 | 17 | 0 |
| 1990 | 10 | 0 |
| 1991 | 8 | 0 |
| 1992 | 8 | 0 |
| 1993 | 10 | 0 |
| 1994 | 6 | 0 |
| 1995 | 11 | 0 |
| 1996 | 15 | 0 |
| 1997 | 9 | 0 |
| 1998 | 9 | 0 |
| 1999 | 5 | 0 |
| 2000 | 11 | 0 |
| 2001 | 7 | 1 |
| 2002 | 10 | 9 |
| 2003 | 10 | 12 |
| 2004 | 9 | 17 |
| 2005 | 15 | 15 |
| 2006 | 17 | 25 |
| 2007 | 10 | 21 |
| 2008 | 14 | 19 |
| 2009 | 19 | 25 |
| 2010 | 16 | 31 |
| 2011 | 19 | 31 |
| 2012 | 18 | 32 |
| 2013 | 32 | 59 |
| 2014 | 27 | 49 |
| 2015 | 41 | 45 |
| 2016 | 45 | 48 |
| 2017 | 56 | 73 |
| 2018 | 42 | 70 |
| 2019 | 65 | 57 |
| 2020 | 64 | 70 |
| 2021 | 61 | 61 |
| 2022 | 49 | 71 |
| 2023 | 61 | 64 |
| 2024 | 70 | 81 |
| 2025 | 60 | 49 |
| 2026 | 34 | 39 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Monitoring an anti-leak valve in a jet engine6 Oct 2026US 12,753,858 B2Safran Aircraft Engines
- Methods and systems providing operational surveillance of valves used in industrial applications15 Sep 2026US 12,736,153 B2Schlumberger Technology Corporation
- Monitoring system for detecting leaks using a system of flow rate sensors and smart valves1 Sep 2026US 12,723,382 B2Alarm.com Incorporated
- Operating method for a valve system, computer program product, control unit, valve actuating apparatus, valve system and simulation program product25 Aug 2026US 12,716,519 B2Siemens Aktiengesellschaft
- Packing system of a valve assembly25 Aug 2026US 12,716,521 B2Fisher Controls International LLC
- Programmable flush valve controller24 Sep 2026US 2026/0286673 A1Kohler Co.
- Fluid-dispensing motorized valve and associated manufacturing method24 Sep 2026US 2026/0287079 A1Vernet
- Systems and methods for redundant auto-swapping valve positioners24 Sep 2026US 2026/0287086 A1Florida Power & Light Company
- Pressure relief valve with redundant pressure sensing24 Sep 2026US 2026/0287087 A1SRI Energy, Inc.
- Methods and systems associated with a mount and an adapter for a sensor for fracturing operations6 Aug 2026US 2026/0227003 A1Commando Pressure Control, Inc.
Most cited
By later US patents
- Diagnostic apparatus and method for fluid control valves213US 5,197,328 AFisher Controls International LLC · 1993
- Valve positioner with pressure feedback, dynamic correction and diagnostics203US 5,573,032 ARosemount Inc. · 1996
- Online valve diagnostic monitoring system176US 5,329,465 AWestinghouse Electric Corp. · 1994
- Valve positioner with pressure feedback, dynamic correction and diagnostics126US 5,549,137 ARosemount Inc. · 1996
- Motor current signature analysis method for diagnosing motor operated devices110US 4,965,513 AMartin Marietta Energy Systems, Inc. · 1990