B61F 5/305
Incorporating rubber springs
Official title: {incorporating rubber springs}
B61F5/305 (Incorporating rubber springs) appears on 113 US grants and 70 published applications in this corpus.
Search patents in B61F- Granted patents
- 113
- Published applications
- 70
- Assignees
- 66
- Inventors
- 242
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 0 |
| 2003 | 2 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 4 |
| 2006 | 0 | 1 |
| 2007 | 1 | 2 |
| 2008 | 3 | 1 |
| 2009 | 1 | 3 |
| 2010 | 3 | 4 |
| 2011 | 4 | 2 |
| 2012 | 2 | 0 |
| 2013 | 2 | 1 |
| 2014 | 1 | 2 |
| 2015 | 0 | 12 |
| 2016 | 2 | 4 |
| 2017 | 9 | 6 |
| 2018 | 6 | 6 |
| 2019 | 3 | 2 |
| 2020 | 6 | 5 |
| 2021 | 2 | 5 |
| 2022 | 2 | 2 |
| 2023 | 6 | 3 |
| 2024 | 2 | 2 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Railcar truck roller bearing adapter-pad systems6 May 2025US 12,291,247 B2Nevis Industries LLC
- Wheel axle guiding assembly with longitudinal hydro-mechanical converters and associated running gear3 Dec 2024US 12,157,506 B2Bombardier Transportation GmbH
- Train suspension device and suspended monorail train29 Oct 2024US 12,128,935 B2Crrc Zhuzhou Locomotive Co., Ltd.
- Rail vehicle and bogie28 Nov 2023US 11,827,251 B2Crrc Qingdao Sifang Co., Ltd.
- Vibration control component8 May 2025US 2025/0146889 A1Trelleborg Antivibration Solutions Germany GmbH
- Service vehicle unit15 Aug 2024US 2024/0270492 A1Autostore Technology AS
- Railcar Truck Roller Bearing Adapter-Pad Systems11 Jan 2024US 2024/0010246 A1Nevis Industries LLC
- Railcar Truck Roller Bearing Adapter-Pad Systems16 Nov 2023US 2023/0365167 A1Nevis Industries LLC
- Rail vehicle and bogie4 May 2023US 2023/0132924 A1Crrc Qingdao Sifang Co., Ltd.
Most cited
By later US patents
- Service-life, low-profile, retrofittable, elastomeric mounting for three-piece, railroad-car trucks101US 5,237,933 ALord Corporation · 1993
- Lateral control mount77US 6,178,894 B22001
- Resilient railroad car truck76US 4,111,131 AStandard Car Truck Company · 1978
- Resilient railway truck bearing adaptor71US 4,363,278 AAMSTED Industries Incorporated · 1982
- Elastomeric bearing pad with unlike threaded fasteners71US 4,674,412 AAMSTED Industries Incorporated · 1987