G01C 9/26
Details
G01C9/26 (Details) appears on 715 US grants and 487 published applications in this corpus.
Search patents in G01C- Granted patents
- 715
- Published applications
- 487
- Assignees
- 178
- Inventors
- 942
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 17 | 0 |
| 1979 | 12 | 0 |
| 1980 | 9 | 0 |
| 1981 | 5 | 0 |
| 1982 | 10 | 0 |
| 1983 | 7 | 0 |
| 1984 | 6 | 0 |
| 1985 | 10 | 0 |
| 1986 | 7 | 0 |
| 1987 | 5 | 0 |
| 1988 | 9 | 0 |
| 1989 | 7 | 0 |
| 1990 | 6 | 0 |
| 1991 | 11 | 0 |
| 1992 | 12 | 0 |
| 1993 | 17 | 0 |
| 1994 | 5 | 0 |
| 1995 | 18 | 0 |
| 1996 | 15 | 0 |
| 1997 | 7 | 0 |
| 1998 | 16 | 0 |
| 1999 | 10 | 0 |
| 2000 | 20 | 0 |
| 2001 | 19 | 7 |
| 2002 | 19 | 17 |
| 2003 | 22 | 13 |
| 2004 | 18 | 19 |
| 2005 | 16 | 23 |
| 2006 | 15 | 21 |
| 2007 | 11 | 17 |
| 2008 | 8 | 23 |
| 2009 | 25 | 22 |
| 2010 | 20 | 18 |
| 2011 | 19 | 19 |
| 2012 | 13 | 15 |
| 2013 | 13 | 16 |
| 2014 | 16 | 10 |
| 2015 | 12 | 22 |
| 2016 | 14 | 16 |
| 2017 | 15 | 25 |
| 2018 | 18 | 19 |
| 2019 | 19 | 23 |
| 2020 | 24 | 26 |
| 2021 | 33 | 31 |
| 2022 | 30 | 30 |
| 2023 | 27 | 20 |
| 2024 | 20 | 15 |
| 2025 | 14 | 12 |
| 2026 | 8 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Speed square with highly visible level6 Oct 2026US 12,754,003 B2
- Leveling device with hook and loop straps22 Sep 2026US 12,742,641 B1
- Level with captured magnetic strip2 Jun 2026US 12,644,703 B2Apex Brands, Inc.
- Hands free level2 Jun 2026US 12,644,704 B2
- Multifunctional speed square31 Mar 2026US 12,590,790 B2
- Tri Outward Swivel Vial Level8 Oct 2026US 2026/0309492 A1
- Improved Illuminated Level1 Oct 2026US 2026/0298629 A1
- Devices for leveling scope reticles of crossbows20 Aug 2026US 2026/0243537 A1
- Display methods, techniques, systems, and apparatus for electronic levels25 Jun 2026US 2026/0177380 A1Franklin Sensors Inc.
- Measurement devices with integral angle finder, spirit levels, and castor device pair for use with ladders18 Jun 2026US 2026/0168793 A1Kapro Industries Ltd.
Most cited
By later US patents