F16J 15/3228
Formed by deforming a flat ring
Official title: formed by deforming a flat ring
F16J15/3228 (Formed by deforming a flat ring) appears on 208 US grants and 202 published applications in this corpus.
Search patents in F16J- Granted patents
- 208
- Published applications
- 202
- Assignees
- 108
- Inventors
- 457
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 0 | 0 |
| 1989 | 5 | 0 |
| 1990 | 0 | 0 |
| 1991 | 6 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 7 | 0 |
| 2001 | 6 | 3 |
| 2002 | 8 | 11 |
| 2003 | 8 | 12 |
| 2004 | 9 | 13 |
| 2005 | 6 | 13 |
| 2006 | 10 | 9 |
| 2007 | 3 | 5 |
| 2008 | 5 | 4 |
| 2009 | 0 | 9 |
| 2010 | 2 | 9 |
| 2011 | 4 | 5 |
| 2012 | 2 | 6 |
| 2013 | 4 | 3 |
| 2014 | 3 | 6 |
| 2015 | 5 | 8 |
| 2016 | 5 | 6 |
| 2017 | 3 | 7 |
| 2018 | 7 | 5 |
| 2019 | 7 | 11 |
| 2020 | 9 | 5 |
| 2021 | 5 | 10 |
| 2022 | 3 | 14 |
| 2023 | 11 | 8 |
| 2024 | 15 | 7 |
| 2025 | 5 | 8 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Conductive structural body and conduction method30 Jun 2026US 12,671,219 B2Nok Corporation
- Seal structure and sealing method21 Apr 2026US 12,607,265 B2Nok Corporation
- Arrangement for producing an electrically conductive connection between a first machine element and a second machine element17 Jun 2025US 12,334,669 B2Carl Freudenberg KG
- Hydrodynamic sealing element for a radial shaft seal3 Jun 2025US 12,320,427 B2Amsted Rail Company, Inc.
- Sealing device27 May 2025US 12,313,164 B2Nok Corporation
- Lubricant Pumping Seal13 Aug 2026US 2026/0235207 A1System Seals, Inc.
- Discharge unit, discharge arrangement and force transmission arrangement23 Apr 2026US 2026/0110361 A1ElringKlinger AG
- Snap-on sealing ring for externally sealing a shaft connection26 Mar 2026US 2026/0085753 A1Volkswagen Aktiengesellschaft
- Shaft grounding assembly26 Feb 2026US 2026/0058516 A1Carl Freudenberg KG
- Conductive structural body and conduction method5 Feb 2026US 2026/0039078 A1Nok Corporation
Most cited
By later US patents
- Uni-directional seal for use on a shaft48US 5,921,555 AFreudenberg-NOK General Partnership · 1999
- Dual lip seal and method of forming the seal46US 5,209,502 AMather Seal Company · 1993
- Seal design with bi-directional pumping43US 5,791,658 AFreudenberg-NOK General Partnership · 1998
- High pressure shaft seals39US 4,042,248 AGeneral Motors Corporation · 1977
- Sealing arrangement39US 4,331,254 AButterworth Systems Inc. · 1982