F04B 37/12
To obtain high pressure
Official title: to obtain high pressure
F04B37/12 (To obtain high pressure) appears on 99 US grants and 131 published applications in this corpus.
Search patents in F04B- Granted patents
- 99
- Published applications
- 131
- Assignees
- 91
- Inventors
- 228
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 0 | 5 |
| 2011 | 0 | 2 |
| 2012 | 3 | 4 |
| 2013 | 1 | 7 |
| 2014 | 3 | 1 |
| 2015 | 4 | 5 |
| 2016 | 8 | 7 |
| 2017 | 1 | 7 |
| 2018 | 2 | 11 |
| 2019 | 12 | 18 |
| 2020 | 10 | 11 |
| 2021 | 10 | 10 |
| 2022 | 8 | 7 |
| 2023 | 7 | 10 |
| 2024 | 8 | 5 |
| 2025 | 9 | 12 |
| 2026 | 9 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Air compressor structure8 Sep 2026US 12,729,671 B2Unik World Industrial Co., Ltd.
- Apparatus and method of pre-preparing a liquid delivery device valve for use8 Sep 2026US 12,729,678 B2Merxin Limited
- Sealing assembly with repositionable seal11 Aug 2026US 12,704,119 B2Gd Energy Products, LLC
- Compressor assembly for an apparatus for inflating and/or repairing inflatable items or products as needed28 Apr 2026US 12,612,903 B2Illinois Tool Works Inc.
- Air compressor14 Apr 2026US 12,601,339 B2Unik World Industrial Co., Ltd.
- Oil-free air compressor transmission structure, oil-free air compressor and vehicle6 Aug 2026US 2026/0226892 A1Zhejiang Ruili Air Compressor Equipment Co., Ltd.
- Fluid end16 Jul 2026US 2026/0201881 A1Kerr Machine Co.
- Rear-side filtering and intake air compressor structure12 Feb 2026US 2026/0043398 A1Dongguan Hesheng Machinery & Electric Co., Ltd.
- Apparatus and method of pre- preparing a liquid delivery device valve for use18 Dec 2025US 2025/0382958 A1Merxin Limited
- Packing assembly with threaded sleeve for interaction with an installation tool11 Sep 2025US 2025/0283463 A1Vulcan Industrial Holdings, LLC
Most cited
By later US patents
- Fluid cylinder block having a stress distributing joint67US 9,188,121 B1Forum US, Inc. · 2015
- Pump assembly57US 9,528,508 B2Schlumberger Technology Corporation · 2016
- Fluid end48US 10,941,765 B2Kerr Machine Co. · 2021
- Valve seats and valve assemblies for fluid end applications47US 10,344,757 B1Kennametal Inc. · 2019
- Packing assembly with threaded sleeve for interaction with an installation tool42US 11,421,679 B1Vulcan Industrial Holdings, LLC · 2022