G01L 3/16
Rotary-absorption dynamometers
Official title: Rotary-absorption dynamometers, e.g. of brake type
G01L3/16 (Rotary-absorption dynamometers) appears on 167 US grants and 91 published applications in this corpus.
Search patents in G01L- Granted patents
- 167
- Published applications
- 91
- Assignees
- 104
- Inventors
- 280
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 5 | 0 |
| 1980 | 7 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 7 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 6 | 0 |
| 1996 | 5 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 1 |
| 2002 | 3 | 0 |
| 2003 | 2 | 2 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 2 | 1 |
| 2007 | 1 | 2 |
| 2008 | 0 | 1 |
| 2009 | 1 | 3 |
| 2010 | 2 | 2 |
| 2011 | 3 | 0 |
| 2012 | 0 | 2 |
| 2013 | 2 | 0 |
| 2014 | 1 | 0 |
| 2015 | 1 | 5 |
| 2016 | 1 | 4 |
| 2017 | 3 | 9 |
| 2018 | 5 | 5 |
| 2019 | 8 | 10 |
| 2020 | 10 | 14 |
| 2021 | 8 | 5 |
| 2022 | 8 | 6 |
| 2023 | 7 | 3 |
| 2024 | 4 | 7 |
| 2025 | 4 | 4 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Tangential force sensor for a brake caliper16 Jun 2026US 12,654,658 B2Divergent Technologies, Inc.
- Method to check the correct functioning of a tightening tool10 Mar 2026US 12,571,696 B2Atlas Copco Industrial Technique AB
- Hub directly driven by motor and used for heavy-duty chassis dynamometer17 Feb 2026US 12,553,785 B2Jiangsu Xcmg Construction Machinery Research Institute Ltd.
- Dynamometer system14 Oct 2025US 12,442,702 B2Meidensha Corporation
- Hub carrier comprising force and/or moment sensors16 Sep 2025US 12,416,537 B2Politecnico Di Milano
- Precision shaft alignment for high-speed electric motor and dynamometer testing25 Jun 2026US 2026/0177436 A1Horiba Instruments, Inc.
- System for co-planar arrangement of multiple power absorption units for vehicle testing7 May 2026US 2026/0126329 A1Dynocom Industries, Inc.
- Methods and apparatus to simulate torque5 Feb 2026US 2026/0036476 A1The Boeing Company
- Torque sensor5 Feb 2026US 2026/0036477 A1Harmonic Drive Systems Inc.
- A method of transient testing a prime mover13 Nov 2025US 2025/0347572 A1
Most cited
By later US patents
- Torque metering device for a bicycle-type ergometer87US 4,630,818 ATunturipyora Oy · 1986
- Electric tool with torque monitor77US 4,534,420 ABlack & Decker Inc. · 1985
- Mechanical liquid vaporizing waterbrake73US 5,279,262 A1994
- Electric dynamometer33US 4,509,374 AMitsubishi Denki Kabushiki Kaisha · 1985
- Motorcycle dynamometer25US 3,940,978 A1976