B23B 39/006
Portal drilling machines
Official title: {Portal drilling machines}
B23B39/006 (Portal drilling machines) appears on 17 US grants and 17 published applications in this corpus.
Search patents in B23B- Granted patents
- 17
- Published applications
- 17
- Assignees
- 20
- Inventors
- 44
- Latest grant
- 21 Jun 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 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 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 2 | 2 |
| 2015 | 0 | 3 |
| 2016 | 3 | 1 |
| 2017 | 1 | 0 |
| 2018 | 2 | 1 |
| 2019 | 1 | 1 |
| 2020 | 1 | 2 |
| 2021 | 0 | 1 |
| 2022 | 3 | 1 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Center point drill and center point drill attachment21 Jun 2022US 11,364,583 B2
- Wheel hub special drilling device17 May 2022US 11,331,729 B2CITIC Dicastal Co., Ltd.
- Drilling method and drilling machine15 Mar 2022US 11,273,500 B2Sugino Machine Limited
- Center point drill and center point drill attachment3 Mar 2020US 10,576,594 B2
- Portable drill press26 Mar 2019US 10,239,128 B1
- Gantry drill22 Feb 2024US 2024/0058873 A1Cascade Lumber Company
- Automatic tray notch machine6 Apr 2023US 2023/0106741 A1Skyworks Solutions, Inc.
- A sheet processing machine and a method for processing flat workpieces3 Mar 2022US 2022/0063033 A1Voortman Steel Machinery Holding B. V.
- Wheel hub special drilling device29 Apr 2021US 2021/0121966 A1CITIC Dicastal Co., Ltd.
- Drilling method and drilling machine1 Oct 2020US 2020/0306838 A1Sugino Machine Limited
Most cited
By later US patents
- Triple gantry drilling system20US 6,254,317 B1Northrop Grumman Corporation · 2001
- Device and method of exchanging tools18US 5,111,573 AHitachi Seiko Ltd. · 1992
- Machine tool18US 9,272,338 B2Mitsubishi Heavy Industries, Ltd. · 2016
- Portable drill press12US 9,555,481 B22017
- Drilling machine with at least two machining heads for machining printed circuit boards4US 6,231,279 B1Pluritec Italia S.p.A. · 2001