Y10T 29/49298
Poppet or i.c. engine valve or valve seat making
Official title: Poppet or I.C. engine valve or valve seat making
Y10T29/49298 (Poppet or i.c. engine valve or valve seat making) appears on 421 US grants and 198 published applications in this corpus.
Search patents in Y10T- Granted patents
- 421
- Published applications
- 198
- Assignees
- 206
- Inventors
- 746
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 5 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 8 | 0 |
| 1985 | 5 | 0 |
| 1986 | 8 | 0 |
| 1987 | 5 | 0 |
| 1988 | 11 | 0 |
| 1989 | 6 | 0 |
| 1990 | 4 | 0 |
| 1991 | 13 | 0 |
| 1992 | 6 | 0 |
| 1993 | 14 | 0 |
| 1994 | 13 | 0 |
| 1995 | 11 | 0 |
| 1996 | 10 | 0 |
| 1997 | 11 | 0 |
| 1998 | 27 | 0 |
| 1999 | 18 | 0 |
| 2000 | 13 | 0 |
| 2001 | 16 | 3 |
| 2002 | 20 | 15 |
| 2003 | 18 | 9 |
| 2004 | 8 | 8 |
| 2005 | 10 | 12 |
| 2006 | 9 | 13 |
| 2007 | 12 | 21 |
| 2008 | 9 | 13 |
| 2009 | 9 | 21 |
| 2010 | 12 | 10 |
| 2011 | 10 | 10 |
| 2012 | 10 | 11 |
| 2013 | 13 | 13 |
| 2014 | 18 | 12 |
| 2015 | 6 | 12 |
| 2016 | 12 | 4 |
| 2017 | 10 | 2 |
| 2018 | 5 | 1 |
| 2019 | 2 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 2 |
| 2022 | 2 | 0 |
| 2023 | 1 | 2 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Poppet valve24 Feb 2026US 12,560,110 B2Eaton Intelligent Power Limited
- In-vehicle carrier system with mobility protection mechanism and method of manufacture thereof21 Jan 2025US 12,202,439 B2Rubicon Dog Company
- Method for manufacturing engine poppet valve26 Dec 2023US 11,850,690 B2Nittan Company, Limited
- Method to attach copper alloy valve inserts to aluminum cylinder head20 Dec 2022US 11,530,629 B2GM Global Technology Operations LLC
- Method of manufacturing engine valve intermediate product with boss portion29 Mar 2022US 11,285,570 B2Nittan Valve Co., Ltd.
- In-vehicle carrier system with mobility protection mechanism and method of manufacture thereof14 May 2026US 2026/0131738 A1Rubicon Dog Company
- Poppet Valve11 Jan 2024US 2024/0011567 A1Eaton Intelligent Power Limited
- In-vehicle carrier system with mobility protection mechanism and method of manufacture thereof13 Apr 2023US 2023/0116298 A1Rubicon Dog Company
- Method for Manufacturing Engine Poppet Valve19 Jan 2023US 2023/0017343 A1Nittan Company, Limited
- Method to attach copper alloy valve inserts to aluminum cylinder head30 Dec 2021US 2021/0404353 A1GM Global Technology Operations LLC
Most cited
By later US patents
- Fuel injection valve and method of manufacturing the same82US 5,996,910 ADenso Corporation · 1999
- Method for fusibly bonding a coating material to a metal article66US 4,117,302 ACaterpillar Tractor Co. · 1978
- Method of manufacturing a metal and polymeric composite article62US 6,270,849 B1Ford Global Technologies, LLC · 2001
- Superaustenitic stainless steel and method of making and use thereof56US 8,430,075 B2L. E. Jones Company · 2013
- Dispense tip adapter for fluid pump48US 6,299,078 B1Bradford Labs LLC · 2001