F16J 1/09
Pistons: with means for guiding fluids
Official title: with means for guiding fluids (F16J1/08 takes precedence)
F16J1/09 (Pistons: with means for guiding fluids) appears on 137 US grants and 151 published applications in this corpus.
Search patents in F16J- Granted patents
- 137
- Published applications
- 151
- Assignees
- 95
- Inventors
- 288
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 2 |
| 2004 | 1 | 6 |
| 2005 | 2 | 0 |
| 2006 | 3 | 3 |
| 2007 | 2 | 4 |
| 2008 | 2 | 5 |
| 2009 | 2 | 3 |
| 2010 | 1 | 1 |
| 2011 | 2 | 5 |
| 2012 | 3 | 4 |
| 2013 | 2 | 14 |
| 2014 | 6 | 9 |
| 2015 | 11 | 13 |
| 2016 | 6 | 11 |
| 2017 | 8 | 12 |
| 2018 | 9 | 7 |
| 2019 | 15 | 11 |
| 2020 | 7 | 12 |
| 2021 | 9 | 10 |
| 2022 | 11 | 4 |
| 2023 | 5 | 8 |
| 2024 | 6 | 1 |
| 2025 | 4 | 4 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sealing ring assemblies configured for pressure locking19 May 2026US 12,631,163 B2Mainspring Engergy, Inc.
- Piston device with combined vertical and lateral gas port3 Feb 2026US 12,540,672 B2
- Connecting rod, piston, crank drive, and reciprocating internal combustion engine7 Oct 2025US 12,435,651 B2
- Internal combustion engine with means for condensation fluid removal18 Mar 2025US 12,253,047 B2
- Piston accumulator4 Mar 2025US 12,241,482 B2Hydac Technology GmbH
- Piston assemblies and cylinders that control gas flow5 Feb 2026US 2026/0036202 A1Cummins Inc.
- Sealing ring assemblies configured for pressure locking7 Aug 2025US 2025/0250970 A1Mainspring Energy, Inc.
- Piston Device With Combined Vertical and Lateral Gas Port12 Jun 2025US 2025/0189037 A1Race Winning Brands, Inc.
- Internal combustion engine with means for condensation fluid removal5 Jun 2025US 2025/0179971 A1
- Connecting rod, piston, crank drive, and reciprocating internal combustion engine16 Jan 2025US 2025/0020074 A1Newgreen AG
Most cited
By later US patents
- Method for the manufacture of a two piece piston and piston40US 5,144,923 AMetal Leve S.A. Industria e Comercio · 1992
- Pistons20US 4,048,975 AF. B. J. Engineering Services Pty. Limited · 1977
- Seal ring free piston structure20US 7,387,062 B2Victor Taichung Machinery Works Co., Ltd. · 2008
- Rotating piston for pumps18US 10,337,614 B2Graco Minnesota Inc. · 2019
- Apparatus for the feeding (metering) of liquid synthetic-resin components17US 4,211,345 AKrauss-Maffei Aktiengesellschaft · 1980