E21B 43/2607
Surface equipment specially adapted for fracturing operations
Official title: {Surface equipment specially adapted for fracturing operations}
E21B43/2607 (Surface equipment specially adapted for fracturing operations) appears on 2,203 US grants and 2,638 published applications in this corpus.
Search patents in E21B- Granted patents
- 2,203
- Published applications
- 2,638
- Assignees
- 512
- Inventors
- 2,785
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 15 | 0 |
| 1985 | 6 | 0 |
| 1986 | 8 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 10 | 0 |
| 1990 | 4 | 0 |
| 1991 | 7 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 2 |
| 2003 | 3 | 4 |
| 2004 | 1 | 3 |
| 2005 | 1 | 2 |
| 2006 | 0 | 7 |
| 2007 | 3 | 8 |
| 2008 | 3 | 23 |
| 2009 | 9 | 17 |
| 2010 | 16 | 23 |
| 2011 | 9 | 19 |
| 2012 | 14 | 31 |
| 2013 | 17 | 62 |
| 2014 | 32 | 90 |
| 2015 | 59 | 76 |
| 2016 | 54 | 122 |
| 2017 | 66 | 158 |
| 2018 | 105 | 145 |
| 2019 | 138 | 163 |
| 2020 | 160 | 197 |
| 2021 | 210 | 275 |
| 2022 | 246 | 303 |
| 2023 | 290 | 299 |
| 2024 | 276 | 247 |
| 2025 | 255 | 203 |
| 2026 | 149 | 158 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Direct high pressure slurry injection fracturing system and method6 Oct 2026US 12,752,247 B1
- Turbine engine cleaning and protection system6 Oct 2026US 12,753,718 B2Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
- Fluid pump assembly6 Oct 2026US 12,753,748 B2
- Liquid cooled plunger system6 Oct 2026US 12,753,754 B2Kerr Machine Co.
- Packing failure detection in a pump of a hydraulic fracturing rig6 Oct 2026US 12,754,093 B2Caterpillar Inc.
- Mechanical energy assisted hydraulic fracturing8 Oct 2026US 2026/0309012 A1
- Methods and systems for performing hydraulic fracturing operations8 Oct 2026US 2026/0309013 A1ExxonMobil Technology and Engineering Company
- Mechanical energy assisted hydraulic fracturing8 Oct 2026US 2026/0309014 A1
- Mechanical energy assisted hydraulic fracturing8 Oct 2026US 2026/0309015 A1
- Pressurized tankless boiler system and appartus8 Oct 2026US 2026/0309365 A1Phoenix Heating Services
Most cited
By later US patents
- Mobile electric power generation for hydraulic fracturing of subsurface geological formations496US 9,534,473 B2Evolution Well Services, LLC · 2017
- Method of pumping an oilfield fluid and split stream oilfield pumping systems475US 7,845,413 B2Schlumberger Technology Corporation · 2010
- System for pumping hydraulic fracturing fluid using electric pumps369US 8,789,601 B2U.S. Well Services, LLC · 2014
- Mobile, modular, electrically powered system for use in fracturing underground formations358US 9,103,193 B2Evolution Well Services, LLC · 2015
- System and method for powering a hydraulic pump357US 8,997,904 B2General Electric Company · 2015