F16J
Pistons
Official title: PISTONS {(specially adapted for dampers F16F9/32)}; CYLINDERS; SEALINGS
F16J (Pistons) appears on 19,859 US grants and 15,861 published applications in this corpus.
Search patents in F16J- Granted patents
- 19,859
- Published applications
- 15,861
- Assignees
- 6,074
- Inventors
- 31,961
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 259 | 0 |
| 1977 | 223 | 0 |
| 1978 | 333 | 0 |
| 1979 | 213 | 0 |
| 1980 | 312 | 0 |
| 1981 | 308 | 0 |
| 1982 | 261 | 0 |
| 1983 | 262 | 0 |
| 1984 | 343 | 0 |
| 1985 | 339 | 0 |
| 1986 | 298 | 0 |
| 1987 | 311 | 0 |
| 1988 | 313 | 0 |
| 1989 | 380 | 0 |
| 1990 | 286 | 0 |
| 1991 | 368 | 0 |
| 1992 | 333 | 0 |
| 1993 | 282 | 0 |
| 1994 | 294 | 0 |
| 1995 | 219 | 0 |
| 1996 | 289 | 0 |
| 1997 | 272 | 0 |
| 1998 | 253 | 0 |
| 1999 | 277 | 0 |
| 2000 | 313 | 0 |
| 2001 | 368 | 82 |
| 2002 | 338 | 329 |
| 2003 | 352 | 409 |
| 2004 | 309 | 470 |
| 2005 | 263 | 469 |
| 2006 | 299 | 430 |
| 2007 | 219 | 502 |
| 2008 | 229 | 512 |
| 2009 | 163 | 518 |
| 2010 | 318 | 616 |
| 2011 | 317 | 552 |
| 2012 | 392 | 554 |
| 2013 | 418 | 682 |
| 2014 | 450 | 712 |
| 2015 | 534 | 858 |
| 2016 | 613 | 894 |
| 2017 | 720 | 847 |
| 2018 | 740 | 909 |
| 2019 | 925 | 897 |
| 2020 | 812 | 943 |
| 2021 | 761 | 773 |
| 2022 | 683 | 739 |
| 2023 | 671 | 620 |
| 2024 | 639 | 637 |
| 2025 | 592 | 516 |
| 2026 | 393 | 391 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
Recent patents
- Work machine6 Oct 2026US 12,752,408 B2Koki Holdings Co., Ltd.
- Tight connection device for the transfer of objects including a stub end provided with a release lug6 Oct 2026US 12,753,835 B2Getinge Life Science France
- Grommet apparatus6 Oct 2026US 12,753,836 B2Illinois Tool Works Inc.
- Sealing device6 Oct 2026US 12,753,837 B2Schaeffler Technologies AG & Co. KG
- Tiltable floating lip seal6 Oct 2026US 12,753,838 B2Flowserve Pte. Ltd.
- Piston and internal combustion engine8 Oct 2026US 2026/0309104 A1Mahle International GmbH
- Sealing assembly8 Oct 2026US 2026/0309228 A1Vaisala Oyj
- Adjustable high pressure packing assembly8 Oct 2026US 2026/0309229 A1Third Coast Innovation LLC
- Sealing device8 Oct 2026US 2026/0309230 A1Nok Corporation
- Maintenance hole connection seal8 Oct 2026US 2026/0309231 A1S & B Technical Products, Inc.
Most cited
By later US patents
- Seals and sealing methods for a surgical instrument having an articulated end effector actuated by a drive shaft1,584US 9,216,062 B2Intuitive Surgical Operations, Inc. · 2015
- Thermal seal for a gas turbine spacer disc1,527US 5,080,556 AGeneral Electric Company · 1992
- Non-circular piston rings1,033US 4,957,212 AGoetze AG · 1990
- Surgical instrument arrangement and drive train arrangement for a surgical instrument, in particular a robot-guided surgical instrument, and surgical instrument727US 9,775,678 B2KUKA Roboter GmbH · 2017
- High vacuum gate valve having improved metal vacuum joint551US 4,718,637 AMDC Vacuum Products Corporation · 1988