C09K 8/62
Compositions for forming crevices or fractures
C09K8/62 (Compositions for forming crevices or fractures) appears on 4,507 US grants and 4,856 published applications in this corpus.
Search patents in C09K- Granted patents
- 4,507
- Published applications
- 4,856
- Assignees
- 854
- Inventors
- 5,299
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 33 | 0 |
| 1977 | 21 | 0 |
| 1978 | 27 | 0 |
| 1979 | 29 | 0 |
| 1980 | 29 | 0 |
| 1981 | 21 | 0 |
| 1982 | 20 | 0 |
| 1983 | 11 | 0 |
| 1984 | 35 | 0 |
| 1985 | 37 | 0 |
| 1986 | 37 | 0 |
| 1987 | 43 | 0 |
| 1988 | 25 | 0 |
| 1989 | 33 | 0 |
| 1990 | 28 | 0 |
| 1991 | 35 | 0 |
| 1992 | 32 | 0 |
| 1993 | 50 | 0 |
| 1994 | 33 | 0 |
| 1995 | 35 | 0 |
| 1996 | 31 | 0 |
| 1997 | 27 | 0 |
| 1998 | 24 | 0 |
| 1999 | 38 | 0 |
| 2000 | 26 | 0 |
| 2001 | 50 | 7 |
| 2002 | 28 | 38 |
| 2003 | 36 | 85 |
| 2004 | 52 | 85 |
| 2005 | 43 | 128 |
| 2006 | 80 | 159 |
| 2007 | 104 | 134 |
| 2008 | 74 | 175 |
| 2009 | 102 | 149 |
| 2010 | 139 | 180 |
| 2011 | 136 | 160 |
| 2012 | 114 | 204 |
| 2013 | 124 | 209 |
| 2014 | 143 | 276 |
| 2015 | 161 | 258 |
| 2016 | 152 | 386 |
| 2017 | 237 | 369 |
| 2018 | 286 | 341 |
| 2019 | 291 | 290 |
| 2020 | 274 | 284 |
| 2021 | 273 | 263 |
| 2022 | 256 | 150 |
| 2023 | 218 | 179 |
| 2024 | 157 | 156 |
| 2025 | 126 | 124 |
| 2026 | 91 | 67 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Contaminant remediation with functionalized (meth)acrylic polymer or copolymer macroparticulates and systems related thereto6 Oct 2026US 12,753,257 B2Countertrace LLC
- Method of fracturing using a xanthan/guar gum containing fluid6 Oct 2026US 12,753,361 B1Sunita Hydrocolloids Inc.
- Surface treatment compositions used for carbon sequestration, hydraulic fracturing and increasing oil production from a subterranean formation, and method of hydraulic fracturing29 Sep 2026US 12,747,386 B2Aculon, Inc.
- Reverse emulsion for hydraulic fracturing22 Sep 2026US 12,742,112 B2Snf Group
- Method of using tracer compositions having a degradable polymer and a detectable component for tracing gas flow in a hydrocarbon reservoir22 Sep 2026US 12,742,383 B2Saudi Arabian Oil Company
- Particulate compositions for iron sulfide remediation1 Oct 2026US 2026/0297419 A1ChampionX LLC
- Composition and methods for inhibiting corrosion of metal during acidizing a wellbore in a subterranean formation for fracking24 Sep 2026US 2026/0286211 A1
- Surfactants, surfactant compositions, and methods of using thereof24 Sep 2026US 2026/0286225 A1Chevron U.S.A.Inc.
- Electrochemical reduction of co2 emissions to a green reduction product and its salts24 Sep 2026US 2026/0286539 A1Saudi Arabian Oil Company
- Calcium carbonate coated tracers for assessing acid stimulation operations in a hydrocarbon well24 Sep 2026US 2026/0286838 A1Chevron U.S.A.Inc.
Most cited
By later US patents
- Control of particulate flowback in subterranean wells379US 5,330,005 ADowell Schlumberger Incorporated · 1994
- Control of particulate flowback in subterranean wells372US 5,501,275 ADowell, a division of Schlumberger Technology Corporation · 1996
- Control of particulate flowback in subterranean wells358US 5,439,055 ADowell, a division of Schlumberger Technology Corporation · 1995
- Compositions and methods for hydraulic fracturing351US 6,169,058 ABJ Services Company · 2001
- Methods for limiting the inflow of formation water and for stimulating subterranean formations350US 5,979,557 ASchlumberger Technology Corporation · 1999