E01B 31/06
Making holes
Official title: Making holes, e.g. by drilling, punching, flame-cutting
E01B31/06 (Making holes) appears on 17 US grants and 9 published applications in this corpus.
Search patents in E01B- Granted patents
- 17
- Published applications
- 9
- Assignees
- 12
- Inventors
- 20
- Latest grant
- 19 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 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 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 3 |
| 2015 | 0 | 0 |
| 2016 | 4 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 2 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 1 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Railroad track rail drill19 Aug 2025US 12,390,864 B2Epiroc Industrial Tools and Attachment LLC
- Drill for drilling railway sleepers21 Jan 2025US 12,202,056 B2Cembre S.p.A.
- Railroad track rail drill14 Mar 2023US 11,602,795 B2Stanley Black & Decker, Inc.
- Rail shoe assembly5 Dec 2017US 9,833,842 B2Hougen Manufacturing, Inc.
- Field-portable hole broaching machines and methods for using the same6 Sep 2016US 9,434,014 B1BNSF Railway Company
- Processing machine and method for track processing17 Oct 2024US 2024/0343082 A1Robel Bahnbaumaschinen GmbH
- Railroad Track Rail Drill6 Jul 2023US 2023/0211423 A1Stanley Black & Decker, Inc.
- Railroad Track Rail Drill8 Jul 2021US 2021/0205897 A1Stanley Black & Decker, Inc.
- A drill for drilling railway sleepers10 Jun 2021US 2021/0170501 A1Cembre S.p.A.
- Rail Shoe Assembly30 Mar 2017US 2017/0087643 A1Hougen Manufacturing, Inc.
Most cited
By later US patents
- Portable drill and clamping apparatus therefor20US 4,753,556 A1988
- Portable electric railroad rail drill apparatus17US 6,264,407 B12001
- Clamping apparatus for supporting a machining device11US 3,945,749 ARacine Railroad Products, Inc. · 1976
- Drilling machines9US 4,911,587 ARotabroach Limited · 1990
- Apparatus for boring webs of steel sections5US 5,938,378 AOmi Kogyo Co., Ltd. · 1999