E01B 9/685
Characterised by their shape
Official title: {characterised by their shape}
E01B9/685 (Characterised by their shape) appears on 95 US grants and 35 published applications in this corpus.
Search patents in E01B- Granted patents
- 95
- Published applications
- 35
- Assignees
- 49
- Inventors
- 128
- Latest grant
- 19 Apr 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 4 | 0 |
| 1980 | 5 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 5 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 0 | 0 |
| 1990 | 6 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 8 | 0 |
| 2003 | 2 | 0 |
| 2004 | 0 | 3 |
| 2005 | 1 | 2 |
| 2006 | 2 | 2 |
| 2007 | 0 | 2 |
| 2008 | 3 | 1 |
| 2009 | 0 | 4 |
| 2010 | 1 | 1 |
| 2011 | 1 | 1 |
| 2012 | 2 | 1 |
| 2013 | 0 | 3 |
| 2014 | 3 | 1 |
| 2015 | 1 | 3 |
| 2016 | 3 | 3 |
| 2017 | 1 | 3 |
| 2018 | 3 | 1 |
| 2019 | 4 | 1 |
| 2020 | 0 | 2 |
| 2021 | 1 | 0 |
| 2022 | 2 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Rail fastening system19 Apr 2022US 11,306,442 B2Schwihag AG
- Pad for a railway rail fastening assembly15 Feb 2022US 11,248,349 B2Pandrol Limited
- Track rail fastener and system for pedestal mounted track rail24 Aug 2021US 11,098,454 B2Progress Rail Services Corporation
- Method of installing interface pad on concrete ties29 Oct 2019US 10,458,071 B2voestalpine Nortrak Inc.
- Recessed concrete rail seat assembly27 Aug 2019US 10,392,754 B2Progress Rail Services Corporation
- Tie guide, replaceable pad, and method of using the same13 Aug 2026US 2026/0234875 A1Transportation IP Holdings, LLC
- Track rail fastener and system for pedestal mounted track rail1 Oct 2020US 2020/0308773 A1Progress Rail Services Corporation
- Rail Fastening System23 Jan 2020US 2020/0024808 A1Schwihag AG
- A pad for a reailway rail fastening assembly4 Jul 2019US 2019/0203424 A1Pandrol Limited
- Recessed concrete rail seat assembly15 Mar 2018US 2018/0073199 A1Progress Rail Services Corporation
Most cited
By later US patents
- Electrothermally deformable levelling pad42US 3,936,661 AMatsushita Electric Industrial Co., Ltd. · 1976
- Impact and vibration attenuating pad with offset dimples27US 4,648,554 AAcme Plastics, Inc. · 1987
- Railroad tie pad27US 5,730,357 AAirboss of America Corp. · 1998
- Rail plate having spring clips and lateral positioning means24US 4,047,663 A1977
- Rail fastening system24US 5,110,046 AMcKay Australia Limited · 1992