F16F 15/136
Plastics springs
Official title: Plastics springs, e.g. made of rubber (F16F15/134, {F16F15/137} take precedence)
F16F15/136 (Plastics springs) appears on 35 US grants and 14 published applications in this corpus.
Search patents in F16F- Granted patents
- 35
- Published applications
- 14
- Assignees
- 25
- Inventors
- 59
- Latest grant
- 31 Aug 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 6 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 3 |
| 2016 | 0 | 1 |
| 2017 | 2 | 1 |
| 2018 | 2 | 2 |
| 2019 | 3 | 3 |
| 2020 | 2 | 2 |
| 2021 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Steering device31 Aug 2021US 11,104,371 B2Hitachi Astemo, Ltd.
- Torsional vibration damper with discretized hub5 Jan 2021US 10,883,563 B2Optimized Solutions, LLC
- Low frequency torsional vibration damper having a formed hub1 Dec 2020US 10,851,870 B2Dayco IP Holdings, LLC
- Drive mechanism with replaceable seal and associated method3 Mar 2020US 10,576,821 B2Deere & Company
- Crankshaft damper for an internal combustion engine19 Nov 2019US 10,480,616 B2Ford Global Technologies, LLC
- Gear9 Jul 2020US 2020/0217407 A1Miba Sinter Austria GmbH
- Steering device13 Feb 2020US 2020/0047789 A1Hitachi Automotive Systems, Ltd.
- Drive mechanism with replaceable seal and associated method3 Oct 2019US 2019/0299780 A1Deere & Company
- Torsional vibration damper with discretized hub2 May 2019US 2019/0128370 A1Optimized Solutions, LLC
- Crankshaft damper for an internal combustion engine25 Apr 2019US 2019/0120323 A1Ford Global Technologies, LLC
Most cited
By later US patents
- Meta reinforced plastic damper hub29US 4,178,811 AWallace Murray Corporation · 1979
- Crank damper pulley structure for the internal combustion engine of a car25US 4,710,152 AToyota Jidosha Kabushiki Kaisha · 1987
- Torsional vibration damper with a V-belt pulley connected thereto23US 4,781,659 AMAN Nutzfahrzeuge AG · 1988
- Friction disc clutch for a motor vehicle22US 4,624,351 ASachs-Systemtechnik GmbH · 1986
- Flywheel18US 4,850,244 AFirma Carl Freudenberg · 1989