B23P 15/001
Valves or valve housings
Official title: {valves or valve housings (welding B23K; valve housings per se F16K)}
B23P15/001 (Valves or valve housings) appears on 376 US grants and 336 published applications in this corpus.
Search patents in B23P- Granted patents
- 376
- Published applications
- 336
- Assignees
- 252
- Inventors
- 734
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 7 | 0 |
| 1978 | 7 | 0 |
| 1979 | 5 | 0 |
| 1980 | 7 | 0 |
| 1981 | 5 | 0 |
| 1982 | 5 | 0 |
| 1983 | 5 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 5 | 0 |
| 1996 | 1 | 0 |
| 1997 | 5 | 0 |
| 1998 | 8 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 1 |
| 2002 | 2 | 1 |
| 2003 | 3 | 2 |
| 2004 | 1 | 1 |
| 2005 | 2 | 3 |
| 2006 | 1 | 1 |
| 2007 | 0 | 5 |
| 2008 | 1 | 3 |
| 2009 | 0 | 4 |
| 2010 | 3 | 3 |
| 2011 | 2 | 4 |
| 2012 | 5 | 9 |
| 2013 | 3 | 20 |
| 2014 | 11 | 22 |
| 2015 | 23 | 52 |
| 2016 | 23 | 35 |
| 2017 | 30 | 28 |
| 2018 | 27 | 35 |
| 2019 | 28 | 29 |
| 2020 | 22 | 24 |
| 2021 | 29 | 21 |
| 2022 | 23 | 14 |
| 2023 | 16 | 10 |
| 2024 | 8 | 4 |
| 2025 | 4 | 4 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Corrosion and wear resistant overlay, method for forming corrosion and wear resistant overlay, and corrosion and wear resistant valve23 Dec 2025US 12,502,727 B2Hitachi-GE Nuclear Energy, Ltd.
- Flow control valve16 Dec 2025US 12,496,665 B2Griswold Controls, LLC
- Two-part valvue member assembly9 Dec 2025US 12,491,591 B2Cummins Inc.
- Apparatus and method for tapping a valve of a host pipe lined with a liner21 Oct 2025US 12,449,082 B2Fer-Pal Construction Ltd.
- Method for assembling a needle valve26 Nov 2024US 12,152,679 B2Atlas Copco IAS GmbH
- Method and jig for manufacturing butterfly valve23 Jul 2026US 2026/0208304 A1Nikki Co., Ltd.
- Apparatus and method for tapping a valve of a host pipe lined with a liner25 Dec 2025US 2025/0389363 A1Fer-Pal Construction Ltd.
- Systems and methods for engine valve cooling4 Sep 2025US 2025/0277461 A1Eaton Intelligent Power Limited
- Control valve and manufacturing method therefor10 Jul 2025US 2025/0224039 A1Zhejiang Sanhua Commercial Refrigeration Controls Co., Ltd.
- Seat puller system, reciprocating pump valve seat puller assembly, process, and method of use24 Apr 2025US 2025/0128366 A1
Most cited
By later US patents
- Method of straightening wire rods of titanium and titanium alloy64US 6,077,369 ANippon Steel Corporation · 2000
- Prosthetic valve with leaflet connectors62US 9,987,132 B1Mitraltech Ltd. · 2018
- Prosthetic valve with concentric frames54US 10,856,975 B2Cardiovalve Ltd. · 2020
- Plug valve having preloaded seal segments54US 9,103,448 B2S,P.M. Flow Control, Inc. · 2015
- Method of manufacturing microvalves44US 5,096,643 ABurkert GmbH Werk Ingelfingen · 1992