F16J 15/56
Sealings: other sealings for reciprocating rods
Official title: Other sealings for reciprocating rods
F16J15/56 (Sealings: other sealings for reciprocating rods) appears on 447 US grants and 361 published applications in this corpus.
Search patents in F16J- Granted patents
- 447
- Published applications
- 361
- Assignees
- 310
- Inventors
- 900
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 7 | 0 |
| 1978 | 5 | 0 |
| 1979 | 4 | 0 |
| 1980 | 7 | 0 |
| 1981 | 13 | 0 |
| 1982 | 3 | 0 |
| 1983 | 7 | 0 |
| 1984 | 7 | 0 |
| 1985 | 8 | 0 |
| 1986 | 10 | 0 |
| 1987 | 11 | 0 |
| 1988 | 10 | 0 |
| 1989 | 14 | 0 |
| 1990 | 17 | 0 |
| 1991 | 10 | 0 |
| 1992 | 10 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 1 | 0 |
| 2001 | 7 | 0 |
| 2002 | 0 | 4 |
| 2003 | 4 | 5 |
| 2004 | 4 | 11 |
| 2005 | 5 | 11 |
| 2006 | 8 | 4 |
| 2007 | 3 | 7 |
| 2008 | 4 | 10 |
| 2009 | 3 | 14 |
| 2010 | 8 | 17 |
| 2011 | 7 | 16 |
| 2012 | 10 | 16 |
| 2013 | 9 | 10 |
| 2014 | 11 | 15 |
| 2015 | 17 | 16 |
| 2016 | 15 | 18 |
| 2017 | 8 | 16 |
| 2018 | 20 | 12 |
| 2019 | 17 | 20 |
| 2020 | 12 | 22 |
| 2021 | 12 | 25 |
| 2022 | 14 | 26 |
| 2023 | 20 | 21 |
| 2024 | 21 | 18 |
| 2025 | 20 | 15 |
| 2026 | 17 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sealing device and back-up ring25 Aug 2026US 12,716,494 B2Nok Corporation
- Piston ring seal with reduced stiction18 Aug 2026US 12,710,063 B2
- Slick durable seal18 Aug 2026US 12,710,097 B2Uchicago Argonne, LLC
- Laterally moveable compressor piston rod lip seal assembly9 Jun 2026US 12,650,172 B2Ariel Corporation
- Piston for a compressor, compressor, and method and removal tool for disassembling a piston2 Jun 2026US 12,644,447 B2Burckhardt Compression AG
- High pressure liquid-jet seal assembly carriage27 Aug 2026US 2026/0249434 A1Hypertherm, Inc.
- Seal assembly for build tanks20 Aug 2026US 2026/0243350 A1General Electric Company
- Piston sealing ring assembly having a gap cover element13 Aug 2026US 2026/0235203 A1Mainspring Energy, Inc.
- Hydrogen combustion engine valve sealing25 Jun 2026US 2026/0176990 A1DAF Trucks N. V.
- System and method for automatically sensing a position of a packing loading assembly with a position sensor28 May 2026US 2026/0146671 A1A. W. Chesterton Company
Most cited
By later US patents
- Apparatus for sealing around members extending therethrough338US 5,127,626 AApplied Vascular Devices, Inc. · 1992
- Infusion pump system with disposable cartridge having pressure venting and pressure feedback253US 8,287,495 B2Tandem Diabetes Care, Inc. · 2012
- Infusion pump system with disposable cartridge having pressure venting and pressure feedback204US 8,298,184 B2Tandem Diabetes Care, Inc. · 2012
- Latching and sealing device102US 4,804,290 A1989
- Tank piston with improved seal and wiper95US 6,325,384 B1Transportation Leasing Corporation · 2001