G01L 5/24
Apparatus for, or methods of, measuring force, work, mechanical power, or torque
Official title: for determining value of torque or twisting moment for tightening a nut or other member which is similarly stressed
G01L5/24 (Apparatus for, or methods of, measuring force, work, mechanical power, or torque) appears on 546 US grants and 467 published applications in this corpus.
Search patents in G01L- Granted patents
- 546
- Published applications
- 467
- Assignees
- 344
- Inventors
- 1,085
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 5 | 0 |
| 1980 | 9 | 0 |
| 1981 | 7 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 6 | 0 |
| 1987 | 7 | 0 |
| 1988 | 7 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 10 | 0 |
| 1994 | 8 | 0 |
| 1995 | 9 | 0 |
| 1996 | 6 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 7 | 0 |
| 2000 | 5 | 0 |
| 2001 | 6 | 2 |
| 2002 | 6 | 6 |
| 2003 | 3 | 12 |
| 2004 | 10 | 5 |
| 2005 | 4 | 7 |
| 2006 | 6 | 12 |
| 2007 | 7 | 10 |
| 2008 | 11 | 12 |
| 2009 | 4 | 11 |
| 2010 | 8 | 10 |
| 2011 | 9 | 8 |
| 2012 | 6 | 18 |
| 2013 | 24 | 12 |
| 2014 | 13 | 21 |
| 2015 | 17 | 24 |
| 2016 | 23 | 18 |
| 2017 | 21 | 28 |
| 2018 | 21 | 23 |
| 2019 | 25 | 37 |
| 2020 | 44 | 39 |
| 2021 | 26 | 34 |
| 2022 | 22 | 22 |
| 2023 | 15 | 35 |
| 2024 | 36 | 20 |
| 2025 | 30 | 18 |
| 2026 | 11 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Modular tool for measuring disassembly torques11 Aug 2026US 12,704,423 B2Aktiebolaget Skf
- Fastener tightening control system in an assembly and method for controlling the tightening of a fastener in an assembly21 Jul 2026US 12,686,086 B2Lisi Aerospace
- Fastener assembly sensor unit2 Jun 2026US 12,644,482 B2Salunda Limited
- Method and system for detecting tightness state of bolt or nut2 Jun 2026US 12,644,700 B2
- Tension monitoring apparatus including a fixing with a shank under tension and a strain sensor embedded in the shank where the strain sensor is connected to a data processing means5 May 2026US 12,618,733 B2Copper State Bolt & Nut Company, Inc.
- Fastener Tightening Control System in an Assembly and Method for Controlling the Tightening of a Fastener in an Assembly8 Oct 2026US 2026/0307184 A1Lisi Aerospace
- Washer for measuring force and distributing force when connecting a connection means to a part to be connected1 Oct 2026US 2026/0298743 A1Altosens GmbH
- Fastener assembly sensor unit17 Sep 2026US 2026/0276022 A1Salunda Limited
- Machine learning to predict bolt tension10 Sep 2026US 2026/0266675 A1Predictant LLC
- Determination method, processing device, processing system, and storage medium13 Aug 2026US 2026/0237082 A1Kabushiki Kaisha Toshiba
Most cited
By later US patents
- Compression pressure indicator229US 4,655,159 ARaychem Corporation · 1987
- Monitoring torque in tubular goods118US 4,738,145 ATubular Make-Up Specialists, Inc. · 1988
- Load sensing system including RFID tagged fasteners109US 7,412,898 B1Disney Enterprises, Inc. · 2008
- Ultrasonic load indicating member, apparatus and method69US 4,899,591 ASPS Technologies, Inc. · 1990
- Load washer68US 5,222,399 AFel-Pro Incorporated · 1993