E01B 5/16
Distance keepers
E01B5/16 (Distance keepers) appears on 10 US grants and 8 published applications in this corpus.
Search patents in E01B- Granted patents
- 10
- Published applications
- 8
- Assignees
- 5
- Inventors
- 21
- Latest grant
- 29 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 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 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 2 | 2 |
| 2017 | 0 | 0 |
| 2018 | 2 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Rail clamp connector29 Jul 2025US 12,371,859 B2Pandrol (Vortok) Limited
- Gauge plate insulator16 Jul 2024US 12,037,750 B2Koppers Delaware, Inc.
- Goods transport facility2 Jun 2020US 10,669,104 B2Daifuku Co., Ltd.
- Camera dolly track assembly17 Jul 2018US 10,024,001 B2
- Rail gauge-plate insulator15 May 2018US 9,970,160 B2
- Rail clamp connector28 Jul 2022US 2022/0235520 A1Pandrol (Vortok) Limited
- Gauge Plate Insulator20 May 2021US 2021/0148058 A1Koppers Delaware, Inc.
- Goods transport facility29 Aug 2019US 2019/0263597 A1Daifuku Co., Ltd.
- Gauge Plate8 Nov 2018US 2018/0320323 A1
- Camera Dolly Track Assembly25 Aug 2016US 2016/0244918 A1Azgrip.Com LLC
Most cited
By later US patents
- Insulated gauge rod and method of making the same9US 4,297,787 A1981
- Adjustable gage plate assembly5US 6,997,419 B1Cleveland Track Materials, Inc. · 2006
- Universal non-spreading railroad track haulage tie assembly4US 4,783,001 A1988
- Rail gauge-plate insulator3US 9,234,314 B22016
- Goods transport facility1US 10,669,104 B2Daifuku Co., Ltd. · 2020