F16J 15/32
With elastic sealings
Official title: with elastic sealings, e.g. O-rings
F16J15/32 (With elastic sealings) appears on 4,624 US grants and 4,171 published applications in this corpus.
Search patents in F16J- Granted patents
- 4,624
- Published applications
- 4,171
- Assignees
- 1,604
- Inventors
- 7,747
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 54 | 0 |
| 1977 | 47 | 0 |
| 1978 | 71 | 0 |
| 1979 | 53 | 0 |
| 1980 | 69 | 0 |
| 1981 | 67 | 0 |
| 1982 | 48 | 0 |
| 1983 | 43 | 0 |
| 1984 | 67 | 0 |
| 1985 | 76 | 0 |
| 1986 | 63 | 0 |
| 1987 | 49 | 0 |
| 1988 | 60 | 0 |
| 1989 | 66 | 0 |
| 1990 | 50 | 0 |
| 1991 | 71 | 0 |
| 1992 | 64 | 0 |
| 1993 | 59 | 0 |
| 1994 | 50 | 0 |
| 1995 | 40 | 0 |
| 1996 | 43 | 0 |
| 1997 | 44 | 0 |
| 1998 | 48 | 0 |
| 1999 | 59 | 0 |
| 2000 | 75 | 0 |
| 2001 | 92 | 21 |
| 2002 | 89 | 86 |
| 2003 | 86 | 116 |
| 2004 | 78 | 134 |
| 2005 | 61 | 113 |
| 2006 | 74 | 110 |
| 2007 | 58 | 143 |
| 2008 | 63 | 157 |
| 2009 | 42 | 141 |
| 2010 | 85 | 178 |
| 2011 | 101 | 146 |
| 2012 | 113 | 147 |
| 2013 | 117 | 158 |
| 2014 | 115 | 150 |
| 2015 | 127 | 181 |
| 2016 | 127 | 205 |
| 2017 | 158 | 215 |
| 2018 | 159 | 220 |
| 2019 | 234 | 228 |
| 2020 | 185 | 250 |
| 2021 | 177 | 233 |
| 2022 | 176 | 226 |
| 2023 | 201 | 169 |
| 2024 | 177 | 181 |
| 2025 | 170 | 144 |
| 2026 | 123 | 119 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F16J 15/3204With at least one lip2,099
- F16J 15/3284Characterised by their structure1,150
- F16J 15/3248Provided with casings or supports921
- F16J 15/3268Mounting of sealing rings874
- F16J 15/3244With hydrodynamic pumping action340
- F16J 15/324Arrangements for lubrication or cooling of the sealing itself295
- F16J 15/328Manufacturing methods specially adapted for elastic sealings198
- F16J 15/3296Arrangements for monitoring the condition or operation of elastic sealings113
Recent patents
- Work machine6 Oct 2026US 12,752,408 B2Koki Holdings Co., Ltd.
- Sealing device6 Oct 2026US 12,753,837 B2Schaeffler Technologies AG & Co. KG
- Tiltable floating lip seal6 Oct 2026US 12,753,838 B2Flowserve Pte. Ltd.
- Lip seals and related methods29 Sep 2026US 12,747,791 B2Bal Seal Engineering, Inc.
- Sealing device and electric motor29 Sep 2026US 12,747,792 B2Nok Corporation
- Sealing device8 Oct 2026US 2026/0309230 A1Nok Corporation
- Maintenance hole connection seal8 Oct 2026US 2026/0309231 A1S & B Technical Products, Inc.
- Clutch assembly for utility terrain vehicles8 Oct 2026US 2026/0309232 A1
- Seal structure, rotary table device, and machine tool8 Oct 2026US 2026/0309233 A1Fanuc Corporation
- Seal, assembly using the same, and method of installation1 Oct 2026US 2026/0298102 A1Rtx Corporation
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
- Bearing with multiple lip seal401US 3,955,859 AThe Torrington Company · 1976
- Seal for relatively rotatable parts286US 4,494,759 A1985
- Infusion pump system with disposable cartridge having pressure venting and pressure feedback253US 8,287,495 B2Tandem Diabetes Care, Inc. · 2012
- Emergency shaft seal device by deformation of packing ring247US 4,541,638 ANipon Pillar Packing Co.. Ltd. · 1985