B23P 6/02
Pistons or cylinders
B23P6/02 (Pistons or cylinders) appears on 69 US grants and 65 published applications in this corpus.
Search patents in B23P- Granted patents
- 69
- Published applications
- 65
- Assignees
- 33
- Inventors
- 165
- Latest grant
- 9 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 3 |
| 2005 | 0 | 2 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 2 |
| 2010 | 0 | 1 |
| 2011 | 2 | 1 |
| 2012 | 1 | 5 |
| 2013 | 2 | 6 |
| 2014 | 10 | 5 |
| 2015 | 1 | 5 |
| 2016 | 3 | 5 |
| 2017 | 3 | 4 |
| 2018 | 3 | 8 |
| 2019 | 4 | 5 |
| 2020 | 4 | 5 |
| 2021 | 6 | 2 |
| 2022 | 1 | 1 |
| 2023 | 2 | 0 |
| 2024 | 3 | 1 |
| 2025 | 4 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Insert and method for manufacturing fluid pump9 Dec 2025US 12,492,687 B2Caterpillar Inc.
- Broken bolt removal template for cylinder head11 Nov 2025US 12,466,010 B2Milton Industries, Inc.
- Thermal sprayed engine block remanufacturing21 Oct 2025US 12,447,492 B1FCA Corporation
- Apparatus and method for extracting a seized yaw piston from a wind turbine housing8 Jul 2025US 12,350,772 B1
- Upright vise and method of repairing a liquid paint displacement pump14 May 2024US 11,980,982 B1
- Insert and method for manufacturing fluid pump27 Feb 2025US 2025/0067255 A1Caterpillar Inc.
- Broken bolt removal template for cylinder head29 Feb 2024US 2024/0066643 A1Milton Industries, Inc.
- Systems and methods for adding material to castings10 Mar 2022US 2022/0072616 A1Cummins Inc.
- Handling device for servicing a piston with a small end attached to the piston via a piston pin18 Nov 2021US 2021/0354254 A1MAN Energy Solutions SE
- Method of manufacturing hydraulic cylinder rod3 Jun 2021US 2021/0162487 A1Shpac Co., Ltd
Most cited
By later US patents
- Method for repairing diesel engine cylinder blocks49US 5,222,295 A1993
- Cylinder liner reconditioning process and cylinder liner produced thereby22US 4,724,819 APrecision National Plating Services, Inc. · 1988
- Cylinder wall repair15US 4,153,983 A1979
- Apparatus and method for servicing dynamoelectric machine components in-situ15US 8,713,775 B2General Electric Company · 2014
- Method for rehabilitating scored and marred surfaces11US 3,950,571 A1976