G01L 5/04
Apparatus for, or methods of, measuring force, work, mechanical power, or torque
Official title: for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands {(G01L5/0004 takes precedence)}
G01L5/04 (Apparatus for, or methods of, measuring force, work, mechanical power, or torque) appears on 1,120 US grants and 882 published applications in this corpus.
Search patents in G01L- Granted patents
- 1,120
- Published applications
- 882
- Assignees
- 795
- Inventors
- 2,504
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 18 | 0 |
| 1977 | 11 | 0 |
| 1978 | 14 | 0 |
| 1979 | 15 | 0 |
| 1980 | 8 | 0 |
| 1981 | 11 | 0 |
| 1982 | 7 | 0 |
| 1983 | 11 | 0 |
| 1984 | 16 | 0 |
| 1985 | 13 | 0 |
| 1986 | 18 | 0 |
| 1987 | 14 | 0 |
| 1988 | 7 | 0 |
| 1989 | 15 | 0 |
| 1990 | 16 | 0 |
| 1991 | 19 | 0 |
| 1992 | 21 | 0 |
| 1993 | 16 | 0 |
| 1994 | 15 | 0 |
| 1995 | 15 | 0 |
| 1996 | 14 | 0 |
| 1997 | 17 | 0 |
| 1998 | 16 | 0 |
| 1999 | 17 | 0 |
| 2000 | 8 | 0 |
| 2001 | 18 | 3 |
| 2002 | 23 | 19 |
| 2003 | 16 | 20 |
| 2004 | 20 | 22 |
| 2005 | 14 | 26 |
| 2006 | 15 | 17 |
| 2007 | 12 | 22 |
| 2008 | 26 | 26 |
| 2009 | 21 | 17 |
| 2010 | 15 | 21 |
| 2011 | 13 | 13 |
| 2012 | 9 | 25 |
| 2013 | 13 | 21 |
| 2014 | 20 | 26 |
| 2015 | 32 | 37 |
| 2016 | 40 | 38 |
| 2017 | 36 | 52 |
| 2018 | 28 | 56 |
| 2019 | 55 | 65 |
| 2020 | 56 | 49 |
| 2021 | 39 | 68 |
| 2022 | 47 | 68 |
| 2023 | 67 | 56 |
| 2024 | 57 | 55 |
| 2025 | 42 | 34 |
| 2026 | 34 | 26 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01L 5/10Using electrical means723
- G01L 5/047Specific indicating or recording arrangements139
- G01L 5/06Using mechanical means97
- G01L 5/042By measuring vibrational characteristics of the flexible member96
- G01L 5/045For measuring the tension across the width of a band-shaped flexible member79
- G01L 5/08Using fluid means37
Recent patents
- Calculating pull for a stuck drill string15 Sep 2026US 12,735,953 B2Landmark Graphics Corporation
- Method and device for monitoring severity of vibration in overhead power lines15 Sep 2026US 12,736,423 B2Ampacimon S.A.
- Fiber-based strain sensors and method of manufacturing the same1 Sep 2026US 12,723,934 B2UIF (University Industry Foundation), Yonsei University
- Wearable device and exercise assistance method by the same25 Aug 2026US 12,714,914 B2Samsung Electronics Co., Ltd.
- Sensor system for remote surveillance of cable systems under tension25 Aug 2026US 12,716,794 B2Anycomm Holdings Corporation Gold
- Mechanical casing deformation detection tool1 Oct 2026US 2026/0298072 A1Tier 1 Energy Solutions, Inc.
- Downhole tool with force sensor3 Sep 2026US 2026/0259093 A1
- Flexible pressure sensors, conductive transfers, and methods of manufacture for such3 Sep 2026US 2026/0259094 A1Infi-Tex Ltd.
- Operation of a trailing cable27 Aug 2026US 2026/0251515 A1Innomotics GmbH
- A sensor array comprising soft force sensors6 Aug 2026US 2026/0227250 A1Melexis Technologies SA
Most cited
By later US patents
- Instrument-mounted tension sensing mechanism for robotically-driven medical instruments392US 9,788,910 B2Auris Surgical Robotics, Inc. · 2017
- Measuring health of a connector member of a robotic surgical system242US 10,716,639 B2Covidien LP · 2020
- Device for the measurement of mechanical work and power97US 4,141,245 A1979
- Device, system and process for detecting tensile loads on a rope having an optical fiber incorporated therein77US 5,182,779 ALTV Aerospace and Defense Company · 1993
- Load transducer and force measurement assembly using the same76US 9,404,823 B1Bertec Corporation · 2016