F16C 33/72
Sealings
F16C33/72 (Sealings) appears on 4,216 US grants and 3,662 published applications in this corpus.
Search patents in F16C- Granted patents
- 4,216
- Published applications
- 3,662
- Assignees
- 1,171
- Inventors
- 6,518
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 43 | 0 |
| 1977 | 31 | 0 |
| 1978 | 35 | 0 |
| 1979 | 20 | 0 |
| 1980 | 35 | 0 |
| 1981 | 26 | 0 |
| 1982 | 38 | 0 |
| 1983 | 33 | 0 |
| 1984 | 31 | 0 |
| 1985 | 40 | 0 |
| 1986 | 43 | 0 |
| 1987 | 62 | 0 |
| 1988 | 48 | 0 |
| 1989 | 70 | 0 |
| 1990 | 62 | 0 |
| 1991 | 70 | 0 |
| 1992 | 43 | 0 |
| 1993 | 45 | 0 |
| 1994 | 44 | 0 |
| 1995 | 65 | 0 |
| 1996 | 80 | 0 |
| 1997 | 64 | 0 |
| 1998 | 61 | 0 |
| 1999 | 70 | 0 |
| 2000 | 75 | 0 |
| 2001 | 95 | 14 |
| 2002 | 64 | 87 |
| 2003 | 72 | 112 |
| 2004 | 82 | 130 |
| 2005 | 71 | 118 |
| 2006 | 89 | 116 |
| 2007 | 72 | 121 |
| 2008 | 55 | 150 |
| 2009 | 72 | 142 |
| 2010 | 72 | 157 |
| 2011 | 93 | 132 |
| 2012 | 99 | 135 |
| 2013 | 139 | 182 |
| 2014 | 178 | 182 |
| 2015 | 155 | 208 |
| 2016 | 157 | 216 |
| 2017 | 160 | 143 |
| 2018 | 164 | 180 |
| 2019 | 175 | 168 |
| 2020 | 168 | 177 |
| 2021 | 146 | 160 |
| 2022 | 146 | 178 |
| 2023 | 128 | 132 |
| 2024 | 150 | 125 |
| 2025 | 113 | 109 |
| 2026 | 67 | 88 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Cassette seal and rolling bearing29 Sep 2026US 12,747,756 B2Schaeffler Technologies AG & Co. KG
- Universal joint cross15 Sep 2026US 12,736,087 B2Aktiebolaget Skf
- Seal assembly for a wheel bearing, comprising a diagonal contact surface, and wheel bearing8 Sep 2026US 12,729,719 B2Schaeffler Technologies AG & Co. KG
- Sealing device for bearing unit8 Sep 2026US 12,729,720 B2Aktiebolaget Skf
- Bearing unit1 Sep 2026US 12,723,625 B2Aktiebolaget Skf
- Drawn cup needle roller bearing8 Oct 2026US 2026/0309191 A1Ntn Corporation
- Vertical turbine pump with roller bearing support1 Oct 2026US 2026/0298243 A1Unted Flo, LLC
- Axial pump with reduced clearance feature1 Oct 2026US 2026/0298345 A1Pratt & Whitney Canada Corp.
- Wheel bearing assembly24 Sep 2026US 2026/0285086 A1Volkswagen Aktiengesellschaft
- Inner ring for a self-aligning roller bearing24 Sep 2026US 2026/0287014 A1
Most cited
By later US patents
- Gas bearings for use with vacuum chambers and their application in lithographic projection apparatuses483US 6,603,130 B1ASML Netherlands B. V. · 2003
- Laterally translating seal carrier for a drilling mud motor sealed bearing assembly95US 5,195,754 AKalsi Engineering, Inc. · 1993
- Hydrodynamic lubricant seal for drill bits94US 4,610,319 A1986
- Face seal with angled grooves and shallow annular groove84US 5,556,111 ADurametallic Corporation · 1996
- Hydrodynamic bearing having inverted surface tension seals78US 5,533,811 AQuantum Corporation · 1996