F16J 15/3428
With a wavy surface
Official title: {with a wavy surface}
F16J15/3428 (With a wavy surface) appears on 19 US grants and 10 published applications in this corpus.
Search patents in F16J- Granted patents
- 19
- Published applications
- 10
- Assignees
- 13
- Inventors
- 30
- Latest grant
- 23 Jul 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 3 |
| 2015 | 0 | 0 |
| 2016 | 3 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 2 |
| 2019 | 1 | 0 |
| 2020 | 1 | 2 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Radial sealing system23 Jul 2024US 12,044,316 B2Lagersmit Sealing Solutions B.V.
- Nuclear coolant pump seal and methods of sealing27 Feb 2024US 11,913,465 B2Candu Energy Inc.
- Face seal assembly for machine system having metallic sealing ring with stiffness relief groove to compensate for out-of-plane sealing face18 Aug 2020US 10,746,304 B2Caterpillar Inc.
- Sealed bearing assembly29 Jan 2019US 10,190,637 B2Ntn Corporation
- Mechanical face seal with a reverse trapezoidal face pattern21 Feb 2017US 9,574,666 B2Flowserve Management Company
- Radial Sealing System28 Apr 2022US 2022/0128151 A1Lagersmit Sealing Solutions B.V.
- Nuclear coolant pump seal and methods of sealing17 Dec 2020US 2020/0392965 A1Candu Energy Inc.
- Face seal assembly for machine system having metallic sealing ring with stiffness relief groove to compensate for out-of-plane sealing face16 Apr 2020US 2020/0116261 A1Caterpillar Inc.
- Seal Ring11 Oct 2018US 2018/0292010 A1Riken
- Sealed bearing assembly15 Feb 2018US 2018/0045247 A1Ntn Corporation
Most cited
By later US patents
- Hydrodynamic face seal with grooved sealing dam for zero-leakage106US 6,446,976 B1Flowserve Management Company · 2002
- Wavy face ring37US 5,947,481 AFlowserve Management Company · 1999
- Sliding member36US 9,228,660 B2Eagle Industry Co., Ltd. · 2016
- Wavy-tilt-dam seal ring32US 4,836,561 AUniversity of New Mexico · 1989
- Sliding parts28US 9,371,912 B2Eagle Industry Co., Ltd. · 2016