Y10T 29/49249
Piston making
Y10T29/49249 (Piston making) appears on 613 US grants and 409 published applications in this corpus.
Search patents in Y10T- Granted patents
- 613
- Published applications
- 409
- Assignees
- 297
- Inventors
- 1,060
- Latest grant
- 4 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 2 | 0 |
| 1978 | 9 | 0 |
| 1979 | 2 | 0 |
| 1980 | 8 | 0 |
| 1981 | 4 | 0 |
| 1982 | 11 | 0 |
| 1983 | 6 | 0 |
| 1984 | 10 | 0 |
| 1985 | 16 | 0 |
| 1986 | 8 | 0 |
| 1987 | 20 | 0 |
| 1988 | 11 | 0 |
| 1989 | 13 | 0 |
| 1990 | 8 | 0 |
| 1991 | 12 | 0 |
| 1992 | 14 | 0 |
| 1993 | 17 | 0 |
| 1994 | 11 | 0 |
| 1995 | 9 | 0 |
| 1996 | 11 | 0 |
| 1997 | 8 | 0 |
| 1998 | 12 | 0 |
| 1999 | 9 | 0 |
| 2000 | 12 | 0 |
| 2001 | 10 | 6 |
| 2002 | 21 | 15 |
| 2003 | 18 | 13 |
| 2004 | 11 | 27 |
| 2005 | 10 | 16 |
| 2006 | 18 | 20 |
| 2007 | 9 | 15 |
| 2008 | 11 | 30 |
| 2009 | 15 | 30 |
| 2010 | 14 | 27 |
| 2011 | 25 | 25 |
| 2012 | 23 | 36 |
| 2013 | 25 | 36 |
| 2014 | 32 | 50 |
| 2015 | 28 | 33 |
| 2016 | 32 | 15 |
| 2017 | 27 | 6 |
| 2018 | 17 | 3 |
| 2019 | 6 | 3 |
| 2020 | 4 | 1 |
| 2021 | 2 | 2 |
| 2022 | 1 | 0 |
| 2023 | 2 | 0 |
| 2024 | 3 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
- Y10T 29/49256With assembly or composite article making296
- Y10T 29/49252Multi-element piston making150
- Y10T 29/49265Ring groove forming or finishing72
- Y10T 29/49266Gudgeon pin, wrist pin, piston pin, or boss therefor50
- Y10T 29/4925Repairing, converting, servicing or salvaging31
- Y10T 29/49268With other attaching provision for connecting rod20
Recent patents
- Method for making a lightweight internal combustion engine piston with micro chambers4 Feb 2025US 12,215,652 B1Lean-Burn Combustion, Inc.
- Piston made using additive manufacturing techniques29 Oct 2024US 12,129,811 B2Tenneco Inc.
- Reinforced press base, strengthening ring, and method of reinforcing a press base23 Jan 2024US 11,878,485 B1US Synthetic Corporation
- High pressure press and method of making the same2 Jan 2024US 11,858,230 B1US Synthetic Corporation
- Rotational metering pump for insulin patch11 Jul 2023US 11,696,983 B2Becton, Dickinson and Company
- Piston with keystone second ring groove for high temperature internal combustion engines10 Jun 2021US 2021/0172523 A1Tenneco Inc.
- Method of manufacturing hydraulic cylinder rod3 Jun 2021US 2021/0162487 A1Shpac Co., Ltd
- Rotational metering pump for insulin patch19 Nov 2020US 2020/0360601 A1Becton, Dickinson and Company
- Rotational metering pump for insulin patch14 Nov 2019US 2019/0344010 A1Becton, Dickinson and Company
- Piston and method of making a piston28 Feb 2019US 2019/0061074 A1Tenneco Inc.
Most cited
By later US patents
- Self-tightening cover for pump134US 7,506,574 B2Gardner-Denver Company · 2009
- Thermally sprayed aluminum-bronze coatings on aluminum engine bores121US 5,080,056 AGeneral Motors Corporation · 1992
- Pump fluid cylinder mounting assembly104US 6,419,459 B1Gardner-Denver Company · 2002
- Composite metallic and refractory article and method of manufacturing the article76US 4,404,262 AInternational Harvester Company · 1983
- Piston for internal combustion engines56US 4,581,983 AKarl Schmidt GmbH · 1986