G01D 5/24428
Error prevention
Official title: {Error prevention}
G01D5/24428 (Error prevention) appears on 451 US grants and 491 published applications in this corpus.
Search patents in G01D- Granted patents
- 451
- Published applications
- 491
- Assignees
- 213
- Inventors
- 875
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 1 |
| 2002 | 6 | 5 |
| 2003 | 3 | 5 |
| 2004 | 6 | 8 |
| 2005 | 4 | 7 |
| 2006 | 4 | 12 |
| 2007 | 11 | 8 |
| 2008 | 12 | 10 |
| 2009 | 8 | 9 |
| 2010 | 8 | 15 |
| 2011 | 3 | 11 |
| 2012 | 14 | 15 |
| 2013 | 10 | 25 |
| 2014 | 16 | 23 |
| 2015 | 21 | 23 |
| 2016 | 18 | 17 |
| 2017 | 20 | 26 |
| 2018 | 22 | 27 |
| 2019 | 32 | 48 |
| 2020 | 36 | 35 |
| 2021 | 35 | 37 |
| 2022 | 38 | 38 |
| 2023 | 31 | 36 |
| 2024 | 24 | 22 |
| 2025 | 29 | 18 |
| 2026 | 11 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Reflection-type optical encoder scale including an inorganic layer stack pattern with specific reflectance6 Oct 2026US 12,754,044 B2Dai Nippon Printing Co.Ltd.
- Shaft support structure, magnetism detection device, and absolute encoder8 Sep 2026US 12,729,983 B2MINEBEA MITSUMI Inc.
- Apparatus, disc, and method of manufacture14 Jul 2026US 12,680,839 B2Renishaw PLC
- Rotary encoder7 Jul 2026US 12,674,689 B2Renishaw PLC
- Displacement measuring apparatus9 Jun 2026US 12,650,290 B2Mitutoyo Corporation
- Position detecting system, actuator, and position detecting method27 Aug 2026US 2026/0251482 A1Fanuc Corporation
- Torque sensor device, system and method20 Aug 2026US 2026/0243616 A1Melexis Technologies SA
- Sensor for detecting an angular position of a shaft of an external drive unit21 May 2026US 2026/0139944 A1Pepperl+Fuchs SE (Mannheim)
- Systems, methods, and structures for improving magnetic field sensor performance7 May 2026US 2026/0126305 A1Allegro MicroSystems, LLC
- Magnetic encoder7 May 2026US 2026/0126306 A1Mitsubishi Electric Corporation
Most cited
By later US patents
- Optical encoder using sufficient inactive photodetectors to make leakage current equal throughout136US 4,904,861 AHewlett-Packard Company · 1990
- Absolute encoder utilizing light of different wavelengths to reduce cross-talk92US 7,465,917 B2Avago Technologies General IP (Singapore) Pte. Ltd. · 2008
- System and method of magnetically sensing position of a moving component69US 7,259,553 B2SRI International · 2007
- Optical encoder with inactive photodetectors68US 4,998,013 AHewlett-Packard Company · 1991
- Method and apparatus for correcting position errors using writable encoders49US 4,950,890 ACreo Electronics Corporation · 1990