G01C 9/00
Measuring inclination
Official title: Measuring inclination, e.g. by clinometers, by levels
G01C9/00 (Measuring inclination) appears on 2,595 US grants and 2,137 published applications in this corpus.
Search patents in G01C- Granted patents
- 2,595
- Published applications
- 2,137
- Assignees
- 1,172
- Inventors
- 4,769
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 19 | 0 |
| 1977 | 15 | 0 |
| 1978 | 37 | 0 |
| 1979 | 23 | 0 |
| 1980 | 20 | 0 |
| 1981 | 18 | 0 |
| 1982 | 23 | 0 |
| 1983 | 16 | 0 |
| 1984 | 27 | 0 |
| 1985 | 37 | 0 |
| 1986 | 29 | 0 |
| 1987 | 28 | 0 |
| 1988 | 19 | 0 |
| 1989 | 36 | 0 |
| 1990 | 28 | 0 |
| 1991 | 46 | 0 |
| 1992 | 47 | 0 |
| 1993 | 38 | 0 |
| 1994 | 19 | 0 |
| 1995 | 46 | 0 |
| 1996 | 27 | 0 |
| 1997 | 33 | 0 |
| 1998 | 52 | 0 |
| 1999 | 33 | 0 |
| 2000 | 46 | 0 |
| 2001 | 43 | 11 |
| 2002 | 50 | 46 |
| 2003 | 55 | 54 |
| 2004 | 47 | 50 |
| 2005 | 41 | 72 |
| 2006 | 56 | 62 |
| 2007 | 43 | 77 |
| 2008 | 49 | 62 |
| 2009 | 62 | 78 |
| 2010 | 54 | 58 |
| 2011 | 55 | 77 |
| 2012 | 51 | 55 |
| 2013 | 55 | 57 |
| 2014 | 48 | 72 |
| 2015 | 61 | 107 |
| 2016 | 85 | 109 |
| 2017 | 82 | 111 |
| 2018 | 98 | 111 |
| 2019 | 104 | 139 |
| 2020 | 120 | 135 |
| 2021 | 121 | 130 |
| 2022 | 118 | 127 |
| 2023 | 111 | 95 |
| 2024 | 99 | 87 |
| 2025 | 69 | 95 |
| 2026 | 56 | 60 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01C 9/18Measuring inclination: by using liquids1,168
- G01C 9/02Details1,160
- G01C 9/12Measuring inclination: by using a single pendulum214
- G01C 9/10Measuring inclination: by using rolling bodies173
- G01C 9/005Measuring inclination: specially adapted for use in aircraft51
- G01C 9/16Measuring inclination: by using more than one pendulum20
Recent patents
- System and method for fifth wheel height detection6 Oct 2026US 12,752,868 B1ZF CV Systems Global GmbH
- Speed square with highly visible level6 Oct 2026US 12,754,003 B2
- Management system for work vehicle, management method for work vehicle, and work vehicle6 Oct 2026US 12,754,016 B2Komatsu Ltd.
- Geodetic surveying system and method of operation29 Sep 2026US 12,747,945 B2
- Leveling device with hook and loop straps22 Sep 2026US 12,742,641 B1
- Tri Outward Swivel Vial Level8 Oct 2026US 2026/0309492 A1
- Levelling apparatus and method1 Oct 2026US 2026/0298628 A1
- Improved Illuminated Level1 Oct 2026US 2026/0298629 A1
- Local coil device, magnetic resonance device, and method for determining an inclination1 Oct 2026US 2026/0299067 A1
- Solar tracker commissioning1 Oct 2026US 2026/0303016 A1Array Tech, Inc.
Most cited
By later US patents
- Multipurpose gripping tool886US 7,162,758 B22007
- Computer control device427US 5,835,077 ARemec, Inc. · 1998
- Multi-media pointing device392US 5,339,095 ATV Interactive Data Corporation · 1994
- Attitude indicator and activity monitoring device347US 6,611,783 B2NocWatch, Inc. · 2003
- Patient position monitor290US 6,129,686 A2000