F04B 53/1032
Spring-actuated disc valves
Official title: {Spring-actuated disc valves (F04B53/1022, F04B53/103 take precedence)}
F04B53/1032 (Spring-actuated disc valves) appears on 171 US grants and 184 published applications in this corpus.
Search patents in F04B- Granted patents
- 171
- Published applications
- 184
- Assignees
- 91
- Inventors
- 320
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 4 |
| 2003 | 3 | 4 |
| 2004 | 3 | 5 |
| 2005 | 1 | 5 |
| 2006 | 3 | 2 |
| 2007 | 2 | 2 |
| 2008 | 4 | 3 |
| 2009 | 1 | 5 |
| 2010 | 2 | 3 |
| 2011 | 1 | 1 |
| 2012 | 3 | 3 |
| 2013 | 3 | 3 |
| 2014 | 4 | 4 |
| 2015 | 1 | 3 |
| 2016 | 4 | 5 |
| 2017 | 5 | 12 |
| 2018 | 8 | 8 |
| 2019 | 4 | 17 |
| 2020 | 5 | 12 |
| 2021 | 18 | 13 |
| 2022 | 14 | 10 |
| 2023 | 11 | 17 |
| 2024 | 15 | 15 |
| 2025 | 17 | 17 |
| 2026 | 13 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- One-way valves15 Sep 2026US 12,736,145 B2Quantum Servo Pumping Technologies Pty Ltd
- Controlling suction valves of a fluid pump18 Aug 2026US 12,710,035 B2SPM Oil & Gas Inc.
- Fluid end with transition surface geometry18 Aug 2026US 12,710,038 B2Gd Energy Products, LLC
- Fluid end assembly18 Aug 2026US 12,710,039 B2Kerr Machine Co.
- Mud pump valve leak detection and forecasting30 Jun 2026US 12,669,118 B2Schlumberger Technology Corporation
- Fluid routing plug17 Sep 2026US 2026/0275972 A1Kerr Machine Co.
- Extending Life of Frac, Stimulation (acid), Gravel Packing, and Mud Pump Valves through Design and Materials: Phase & Chemistry Controlled Alloy Body with Meta Material Seals16 Jul 2026US 2026/0201786 A1
- Bellows pump device11 Jun 2026US 2026/0160242 A1Nippon Pillar Packing Co., Ltd.
- Bellows pump device4 Jun 2026US 2026/0153079 A1Nippon Pillar Packing Co., Ltd.
- Wear ring for a fluid end cartridge28 May 2026US 2026/0146600 A1SPM Oil & Gas Inc.
Most cited
By later US patents
- Infusion device and driving mechanism for same246US 6,805,693 B2Medtronic MiniMed, Inc. · 2004
- Infusion device and driving mechanism for same223US 7,131,967 B2Medtronic MiniMed, Inc. · 2006
- Infusion device and driving mechanism for same218US 6,997,921 B2Medtronic MiniMed, Inc. · 2006
- High pressure plunger pump housing and packing160US 6,382,940 B12002
- Valve guide and spring retainer assemblies160US 6,910,871 B12005