F16C 2352/00
Apparatus for drilling
F16C2352/00 (Apparatus for drilling) appears on 654 US grants and 412 published applications in this corpus.
Search patents in F16C- Granted patents
- 654
- Published applications
- 412
- Assignees
- 177
- Inventors
- 716
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 14 | 0 |
| 1978 | 13 | 0 |
| 1979 | 12 | 0 |
| 1980 | 22 | 0 |
| 1981 | 20 | 0 |
| 1982 | 9 | 0 |
| 1983 | 10 | 0 |
| 1984 | 11 | 0 |
| 1985 | 18 | 0 |
| 1986 | 14 | 0 |
| 1987 | 5 | 0 |
| 1988 | 12 | 0 |
| 1989 | 8 | 0 |
| 1990 | 6 | 0 |
| 1991 | 7 | 0 |
| 1992 | 8 | 0 |
| 1993 | 8 | 0 |
| 1994 | 5 | 0 |
| 1995 | 2 | 0 |
| 1996 | 9 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 7 | 1 |
| 2002 | 10 | 2 |
| 2003 | 1 | 4 |
| 2004 | 3 | 2 |
| 2005 | 2 | 1 |
| 2006 | 3 | 8 |
| 2007 | 5 | 5 |
| 2008 | 1 | 3 |
| 2009 | 3 | 10 |
| 2010 | 6 | 17 |
| 2011 | 17 | 19 |
| 2012 | 13 | 21 |
| 2013 | 15 | 29 |
| 2014 | 33 | 28 |
| 2015 | 30 | 23 |
| 2016 | 34 | 24 |
| 2017 | 29 | 32 |
| 2018 | 22 | 29 |
| 2019 | 44 | 30 |
| 2020 | 37 | 33 |
| 2021 | 24 | 27 |
| 2022 | 17 | 12 |
| 2023 | 19 | 19 |
| 2024 | 16 | 16 |
| 2025 | 20 | 12 |
| 2026 | 5 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Bearing assembly with flow restrictor for a dual rod directional drilling apparatus and method of use28 Jul 2026US 12,692,750 B2Hunting Energy Services, Inc.
- Methods of manufacturing combination thrust-bearing and radial bearing apparatuses16 Jun 2026US 12,655,869 B2US Synthetic Corporation
- Corrosion resistant bearing elements, bearing assemblies, bearing apparatuses, and motor assemblies using the same26 May 2026US 12,638,051 B2US Synthetic Corporation
- Coatings for wear surfaces and related apparatuses, devices, systems, and methods10 Feb 2026US 12,546,172 B2ChampionX LLC
- Cutting-ring assembly13 Jan 2026US 12,523,149 B2Aktiebolaget Skf
- Device for forecasting a physical parameter measured by a sensorized rolling element and associated methods and system11 Jun 2026US 2026/0160301 A1
- Force coupling assemblies and related systems and methods21 May 2026US 2026/0139709 A1US Synthetic Corporation
- Bearings having asymmetrical recesses14 May 2026US 2026/0132817 A1Schlumberger Technology Corporation
- Coatings for wear surfaces and related apparatuses, devices, systems, and methods12 Mar 2026US 2026/0071504 A1ChampionX LLC
- Method of Grounding a Perforating Gun Assembly29 Jan 2026US 2026/0028901 A1XConnect, LLC
Most cited
By later US patents
- Composite polycrystalline diamond compact502US 4,604,106 ASmith International, Inc. · 1986
- Thrust bearing assembly for a downhole drill motor475US 4,560,014 ASmith International, Inc. · 1985
- Diamond thrust bearing and method for manufacturing same434US 5,092,687 AAnadrill, Inc. · 1992
- Polycrystalline diamond bearing system for a roller cone rock bit395US 4,738,322 ASmith International, Inc. · 1988
- Well drilling tool with diamond radial/thrust bearings383US 4,410,054 AMaurer Engineering Inc. · 1983