G01B 3/48
For internal screw-threads
Official title: for internal screw-threads
G01B3/48 (For internal screw-threads) appears on 58 US grants and 35 published applications in this corpus.
Search patents in G01B- Granted patents
- 58
- Published applications
- 35
- Assignees
- 30
- Inventors
- 84
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 2 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 1 | 1 |
| 2007 | 1 | 2 |
| 2008 | 1 | 1 |
| 2009 | 2 | 0 |
| 2010 | 1 | 4 |
| 2011 | 3 | 1 |
| 2012 | 1 | 2 |
| 2013 | 1 | 4 |
| 2014 | 3 | 2 |
| 2015 | 3 | 3 |
| 2016 | 3 | 2 |
| 2017 | 2 | 1 |
| 2018 | 1 | 2 |
| 2019 | 0 | 2 |
| 2020 | 2 | 1 |
| 2021 | 4 | 1 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Adjustable diameter step pin apparatus25 Aug 2026US 12,716,703 B2Lockheed Martin Corporation
- Rotatable inspection device for defect detection28 Jan 2025US 12,209,858 B2Sensima Inspection SåRl
- Automatic nut internal thread quality tester16 Nov 2021US 11,175,122 B2
- Control device, robot and control method21 Sep 2021US 11,126,154 B2Seiko Epson Corporation
- Apparatus and methods for measuring thread depth on a threaded member14 Sep 2021US 11,118,888 B2Grant Prideco, L.P.
- Digital threaded plug gauge16 Oct 2025US 2025/0321087 A1
- Adjustable Diameter Step Pin Apparatus21 Aug 2025US 2025/0264319 A1Lockheed Martin Corporation
- Rotatable inspection device for defect detection21 Jul 2022US 2022/0228849 A1Sensima Inspection SåRl
- Automatic nut internal thread quality tester5 Aug 2021US 2021/0239446 A1National Sun Yat-Sen University
- Apparatus and methods for measuring thread depth on a threaded member2 Jan 2020US 2020/0003538 A1Grant Prideco, L.P.
Most cited
By later US patents
- Method of gaging and joining pipe98US 4,127,927 A1978
- Light shield36US 4,331,136 AMaximate Limited Partnership · 1982
- Thread pitch diameter measuring system20US 6,145,207 ABrunson Instrument Company · 2000
- Thread timing for a rotary shouldered connection18US 5,134,783 ATeleco Oilfield Services Inc. · 1992
- Hand held pitch diameter gauge17US 4,947,555 AAllen Gauge & Tool Company · 1990