E01B 9/683
Layered or composite
Official title: {layered or composite}
E01B9/683 (Layered or composite) appears on 30 US grants and 10 published applications in this corpus.
Search patents in E01B- Granted patents
- 30
- Published applications
- 10
- Assignees
- 23
- Inventors
- 67
- Latest grant
- 15 Feb 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 2 |
| 2018 | 0 | 1 |
| 2019 | 2 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 2 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pad for a railway rail fastening assembly15 Feb 2022US 11,248,349 B2Pandrol Limited
- Railroad rail track pad composition and railroad rail track pad25 Feb 2020US 10,570,572 B2Mitsui Chemicals, Inc.
- Method of installing interface pad on concrete ties29 Oct 2019US 10,458,071 B2voestalpine Nortrak Inc.
- Rubber pad for rails21 May 2019US 10,294,615 B2Plastex SA
- Method of preparing and method of applying a vibration damping system19 Feb 2008US 7,332,118 B2Rockwool International A/S
- Tie guide, replaceable pad, and method of using the same13 Aug 2026US 2026/0234875 A1Transportation IP Holdings, LLC
- Under sleeper pad13 Jun 2024US 2024/0191438 A1Getzner Werkstoffe Holding GmbH
- Multi-material rail pad and method for manufacturing same9 May 2024US 2024/0150970 A1Ecole Polytechnique Federale De Lausanne (Epfl)
- A pad for a reailway rail fastening assembly4 Jul 2019US 2019/0203424 A1Pandrol Limited
- Railroad rail track pad composition and railroad rail track pad8 Mar 2018US 2018/0066402 A1Mitsui Chemicals, Inc.
Most cited
By later US patents
- Railroad tie pad27US 5,730,357 AAirboss of America Corp. · 1998
- Rail fastening system24US 5,110,046 AMcKay Australia Limited · 1992
- Device for attaching a rail to a bearing element23US 4,907,740 AVossloh-Werke GmbH · 1990
- Device for fastening a railway track on sleepers disposed end to end21US 4,216,904 A1980
- Composite pad useful between railroad rail and railroad tie18US 5,549,245 AIllinois Tool Works Inc. · 1996