F04B 1/0461
Conical
F04B1/0461 (Conical) appears on 59 US grants and 69 published applications in this corpus.
Search patents in F04B- Granted patents
- 59
- Published applications
- 69
- Assignees
- 16
- Inventors
- 97
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 1 | 4 |
| 2019 | 4 | 7 |
| 2020 | 4 | 12 |
| 2021 | 7 | 6 |
| 2022 | 10 | 5 |
| 2023 | 3 | 7 |
| 2024 | 9 | 9 |
| 2025 | 8 | 9 |
| 2026 | 10 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fluid end with transition surface geometry18 Aug 2026US 12,710,036 B2Gd Energy Products, LLC
- Fluid end with transition surface geometry18 Aug 2026US 12,710,038 B2Gd Energy Products, LLC
- Fluid end with threaded dynamic section21 Apr 2026US 12,607,185 B2Kerr Machine Co.
- High pressure pump31 Mar 2026US 12,590,575 B2Kerr Machine Co.
- Fluid end with threaded dynamic section31 Mar 2026US 12,590,581 B2Kerr Machine Co.
- Fluid end with transition surface geometry23 Jul 2026US 2026/0210351 A1Gd Energy Products, LLC
- Wear ring for a fluid end cartridge28 May 2026US 2026/0146600 A1SPM Oil & Gas Inc.
- Spring controlling valve28 May 2026US 2026/0146601 A1Vulcan Industrial Holdings, LLC
- Multi-piece fluid end21 May 2026US 2026/0139669 A1Kerr Machine Co.
- Fluid routing plug16 Apr 2026US 2026/0104039 A1Kerr Machine Co.
Most cited
By later US patents
- Fluid end assembly57US 10,962,001 B2Kerr Machine Co. · 2021
- Stem guided valve46US 10,941,866 B2Kerr Machine Co. · 2021
- Valve assembly for a fluid end with limited access41US 11,105,327 B2Halliburton Energy Services.Inc. · 2021
- Discharge cap and block for a fluid end assembly39US 10,465,680 B1VP Sales and Company LP · 2019
- Pump valve seat with supplemental retention39US 11,231,111 B2Halliburton Energy Services.Inc. · 2022