F16K
Valves
Official title: VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING {(devices for emptying and evacuating the excess liquid in valves or conduits F16L55/07)}
F16K (Valves) appears on 45,478 US grants and 37,713 published applications in this corpus.
Search patents in F16K- Granted patents
- 45,478
- Published applications
- 37,713
- Assignees
- 13,451
- Inventors
- 64,046
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 602 | 0 |
| 1977 | 479 | 0 |
| 1978 | 547 | 0 |
| 1979 | 405 | 0 |
| 1980 | 579 | 0 |
| 1981 | 648 | 0 |
| 1982 | 482 | 0 |
| 1983 | 390 | 0 |
| 1984 | 556 | 0 |
| 1985 | 682 | 0 |
| 1986 | 566 | 0 |
| 1987 | 641 | 0 |
| 1988 | 539 | 0 |
| 1989 | 649 | 0 |
| 1990 | 603 | 0 |
| 1991 | 522 | 0 |
| 1992 | 586 | 0 |
| 1993 | 564 | 0 |
| 1994 | 579 | 0 |
| 1995 | 535 | 0 |
| 1996 | 506 | 0 |
| 1997 | 522 | 0 |
| 1998 | 685 | 0 |
| 1999 | 806 | 0 |
| 2000 | 891 | 0 |
| 2001 | 887 | 266 |
| 2002 | 763 | 722 |
| 2003 | 754 | 930 |
| 2004 | 797 | 1089 |
| 2005 | 807 | 1130 |
| 2006 | 870 | 1183 |
| 2007 | 644 | 1023 |
| 2008 | 554 | 1081 |
| 2009 | 537 | 1104 |
| 2010 | 634 | 1239 |
| 2011 | 664 | 1499 |
| 2012 | 888 | 1238 |
| 2013 | 1043 | 1520 |
| 2014 | 1158 | 1659 |
| 2015 | 1388 | 1824 |
| 2016 | 1527 | 1988 |
| 2017 | 1680 | 2213 |
| 2018 | 1712 | 2134 |
| 2019 | 2090 | 2156 |
| 2020 | 2089 | 2276 |
| 2021 | 1906 | 1855 |
| 2022 | 1797 | 1759 |
| 2023 | 1589 | 1651 |
| 2024 | 1632 | 1655 |
| 2025 | 1504 | 1452 |
| 2026 | 1000 | 1067 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- F16K 31/00Actuating devices16,618
- F16K 11/00Multiple-way valves6,897
- F16K 15/00Check valves6,707
- F16K 27/00Construction of housing6,350
- F16K 1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having6,338
- F16K 17/00Safety valves5,282
- F16K 3/00Gate valves or sliding valves, i.e. cut-off apparatus with closing members having3,787
- F16K 37/00Special means in or on valves or other cut-off apparatus for indicating3,197
All 27 main groupsShow fewer
- F16K 5/00Plug valves2,873
- F16K 7/00Diaphragm valves or cut-off apparatus2,221
- F16K 47/00Means in valves for absorbing fluid energy1,653
- F16K 99/00Subject matter not provided for in other groups of this subclass1,615
- F16K 24/00Devices1,300
- F16K 35/00Means to prevent accidental or unauthorised actuation1,195
- F16K 41/00Spindle sealings1,122
- F16K 25/00Details relating to contact between valve members and seats1,046
- F16K 51/00Valves: other details not peculiar to particular types of valves or cut-off894
- F16K 21/00Fluid-delivery valves637
- F16K 39/00Devices for relieving the pressure on the sealing faces623
- F16K 2200/00Details of valvesIndexing code591
- F16K 19/00Arrangements of valves and flow lines specially adapted for mixing fluids461
- F16K 49/00Means in or on valves for heating or cooling432
- F16K 13/00Valves: other constructional types of cut-off apparatus354
- F16K 43/00Auxiliary closure means in valves, which in case of repair271
- F16K 23/00Valves for preventing drip from nozzles120
- F16K 29/00Arrangements for movement of valve members other than for opening and closing119
- F16K 33/00Floats for actuation of valves or other apparatus82
Recent patents
- Thermal bimetal actuators for use in non-magnetic medical devices6 Oct 2026US 12,751,623 B2Koninklijke Philips N. V.
- Shot peening flow control valve and its method of use6 Oct 2026US 12,752,395 B2Abrasive Engineering Pte Ltd
- Faucet water temperature guide device6 Oct 2026US 12,753,588 B2
- Faucet with safety handle6 Oct 2026US 12,753,592 B2Dawnway Enterprise Co., Ltd.
- Water flow shutoff system6 Oct 2026US 12,753,597 B1Liquified Solutions, LLC
- Valve assembly for controlling a flow of a first liquid and a flow of a second liquid in a vehicle, valve system, and method for controlling a flow of a first liquid and a flow of a second liquid in a vehicle8 Oct 2026US 2026/0307453 A1Volvo Car Corporation
- Biomass processing system for treatment of biomass material8 Oct 2026US 2026/0308845 A1Valmet Corporation
- Dump valve arrangement8 Oct 2026US 2026/0308872 A1Weir Minerals Netherlands B.V.
- Valve8 Oct 2026US 2026/0309234 A1Horen Cortp Co., Ltd.
- Relating to valves and methods therefor8 Oct 2026US 2026/0309235 A1
Most cited
By later US patents
- Valued device for controlling vacuum in surgery1,387US 4,184,510 AFibra-Sonics, Inc. · 1980
- Unitized three leaflet heart valve1,255US 4,222,126 AThe United States of America as represented by the Secretary of the Department of Health, Education and Welfare · 1980
- Magnetic position sensor for measuring linear displacement1,173US 6,670,806 B2Koninklijke Philips Electronics N. V. · 2003
- Process fluid flow device with variable orifice1,068US 7,255,012 B2Rosemount Inc. · 2007
- Dynamic annulus heart valve and reconstruction ring1,033US 4,339,831 AMedtronic, Inc. · 1982