G01G 23/01
Testing or calibrating of weighing apparatus
G01G23/01 (Testing or calibrating of weighing apparatus) appears on 501 US grants and 412 published applications in this corpus.
Search patents in G01G- Granted patents
- 501
- Published applications
- 412
- Assignees
- 286
- Inventors
- 938
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 6 | 0 |
| 1983 | 7 | 0 |
| 1984 | 6 | 0 |
| 1985 | 10 | 0 |
| 1986 | 8 | 0 |
| 1987 | 15 | 0 |
| 1988 | 16 | 0 |
| 1989 | 11 | 0 |
| 1990 | 6 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 7 | 0 |
| 1998 | 10 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 1 |
| 2002 | 6 | 10 |
| 2003 | 10 | 6 |
| 2004 | 6 | 12 |
| 2005 | 8 | 6 |
| 2006 | 7 | 7 |
| 2007 | 4 | 9 |
| 2008 | 5 | 4 |
| 2009 | 8 | 16 |
| 2010 | 11 | 17 |
| 2011 | 9 | 9 |
| 2012 | 9 | 12 |
| 2013 | 8 | 17 |
| 2014 | 14 | 22 |
| 2015 | 16 | 13 |
| 2016 | 24 | 20 |
| 2017 | 10 | 25 |
| 2018 | 17 | 23 |
| 2019 | 24 | 19 |
| 2020 | 24 | 25 |
| 2021 | 17 | 26 |
| 2022 | 22 | 33 |
| 2023 | 27 | 28 |
| 2024 | 30 | 19 |
| 2025 | 22 | 16 |
| 2026 | 20 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Integrated high-precision weighing module1 Sep 2026US 12,723,909 B2Mettler-Toledo (Changzhou) Measurement Technology Ltd.
- Assisted vehicle load calibration25 Aug 2026US 12,716,767 B2Volvo Truck Corporation
- Weight measurement and cargo tracking systems and methods11 Aug 2026US 12,704,399 B2I.D. Systems, Inc.
- Methods for providing weight accuracy indications for scales, systems, and apparatus for the same4 Aug 2026US 12,699,001 B2Mettler-Toledo AG
- Digital load cell with redundancy design28 Jul 2026US 12,693,152 B2Mettler-Toledo (Changzhou) Measurement Technology Ltd.
- Weighing apparatus and weighing method using triaxial accelerometer8 Oct 2026US 2026/0309540 A1A&D Company, Limited
- Automated weight sensor drift detection and correction8 Oct 2026US 2026/0311156 A1Maplebear Inc.
- Calibration system for a weighing system24 Sep 2026US 2026/0287418 A1Eilersen Calibration Solutions Aps
- Smart cart issue prediction with remedial workflow24 Sep 2026US 2026/0289526 A1Maplebear Inc.
- Self-calibration of network of digital scales10 Sep 2026US 2026/0266650 A1International Business Machines Corporation
Most cited
By later US patents
- Method of monitoring and/or determining the condition of a force-measuring device, and force-measuring device566US 7,497,137 B2Mettler-Toledo AG · 2009
- On-board scale with remote sensor processing94US 5,780,782 AHi-Tech Transport Electronics, Inc. · 1998
- Precision weighing to monitor the thickness and uniformity of deposited or etched thin film87US 5,625,170 ANanometrics Incorporated · 1997
- Automatic wireless wagon detection apparatus and method85US 10,317,272 B2Deere & Company · 2019
- System and method for measuring grain cart weight84US 10,760,946 B2Bitstrata Systems Inc. · 2020