B23G
Thread cutting
Official title: THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH (making helical grooves by turning B23B5/48, by milling B23C3/32, by forging, pressing, or hammering B21K1/56, by grinding B24B19/02; arrangements for copying or controlling B23Q; thread-forming by corrugating tubes B21D15/04, by rolling B21H3/02)
B23G (Thread cutting) appears on 948 US grants and 715 published applications in this corpus.
Search patents in B23G- Granted patents
- 948
- Published applications
- 715
- Assignees
- 455
- Inventors
- 1,494
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 24 | 0 |
| 1978 | 28 | 0 |
| 1979 | 11 | 0 |
| 1980 | 11 | 0 |
| 1981 | 18 | 0 |
| 1982 | 12 | 0 |
| 1983 | 19 | 0 |
| 1984 | 12 | 0 |
| 1985 | 13 | 0 |
| 1986 | 15 | 0 |
| 1987 | 19 | 0 |
| 1988 | 17 | 0 |
| 1989 | 18 | 0 |
| 1990 | 17 | 0 |
| 1991 | 17 | 0 |
| 1992 | 20 | 0 |
| 1993 | 23 | 0 |
| 1994 | 16 | 0 |
| 1995 | 6 | 0 |
| 1996 | 15 | 0 |
| 1997 | 14 | 0 |
| 1998 | 15 | 0 |
| 1999 | 19 | 0 |
| 2000 | 10 | 0 |
| 2001 | 16 | 7 |
| 2002 | 20 | 8 |
| 2003 | 16 | 21 |
| 2004 | 8 | 20 |
| 2005 | 9 | 21 |
| 2006 | 20 | 29 |
| 2007 | 15 | 26 |
| 2008 | 16 | 32 |
| 2009 | 16 | 26 |
| 2010 | 7 | 19 |
| 2011 | 20 | 20 |
| 2012 | 14 | 30 |
| 2013 | 19 | 28 |
| 2014 | 18 | 32 |
| 2015 | 29 | 36 |
| 2016 | 31 | 31 |
| 2017 | 35 | 35 |
| 2018 | 26 | 47 |
| 2019 | 25 | 43 |
| 2020 | 38 | 36 |
| 2021 | 40 | 25 |
| 2022 | 22 | 42 |
| 2023 | 25 | 32 |
| 2024 | 17 | 31 |
| 2025 | 27 | 20 |
| 2026 | 15 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- B23G 1/00Thread cutting462
- B23G 5/00Thread-cutting tools349
- B23G 9/00Working screws, bolt heads, or nuts in conjunction with thread cutting146
- B23G 2200/00Details of threading toolsIndexing code142
- B23G 2240/00Details of equipment for threading other than threading tools, details of theIndexing code107
- B23G 2210/00Details of threads producedIndexing code81
- B23G 7/00Forming thread by means of tools similar both in form and in75
- B23G 3/00Arrangements or accessories for enabling machine tools not specially designed only for64
Recent patents
- Thread milling tool and thread milling insert15 Sep 2026US 12,734,598 B2Seco Tools AB
- Pipe threader18 Aug 2026US 12,708,951 B2Milwaukee Electric Tool Corporation
- Tap and die handle assembly14 Jul 2026US 12,678,875 B2Milwaukee Electric Tool Corporation
- Threaded steel pipe or tube and production method therefor7 Jul 2026US 12,674,528 B2Jfe Steel Corporation
- Method for producing a workpiece threaded hole30 Jun 2026US 12,667,897 B2Audi AG
- Method and repair kit for restoring a mounting assembly, repair kit, repaired mounting assembly, and aircraft engine17 Sep 2026US 2026/0273672 A1
- Device and method for machining workpieces on a multi-spindle lathe17 Sep 2026US 2026/0273683 A1
- Die head for pipe threader10 Sep 2026US 2026/0264157 A1Milwaukee Electric Tool Corporation
- Balance compensated screw thread and method for making the same13 Aug 2026US 2026/0232362 A1
- Machine tool9 Jul 2026US 2026/0192377 A1Dmg Morico., Ltd.
Most cited
By later US patents