G01C 9/12
Measuring inclination: by using a single pendulum
Official title: by using a single pendulum (plumb lines G01C15/10)
G01C9/12 (Measuring inclination: by using a single pendulum) appears on 214 US grants and 111 published applications in this corpus.
Search patents in G01C- Granted patents
- 214
- Published applications
- 111
- Assignees
- 122
- Inventors
- 390
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 3 | 0 |
| 1978 | 7 | 0 |
| 1979 | 3 | 0 |
| 1980 | 7 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 12 | 0 |
| 1988 | 2 | 0 |
| 1989 | 6 | 0 |
| 1990 | 6 | 0 |
| 1991 | 8 | 0 |
| 1992 | 5 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 0 |
| 2002 | 5 | 4 |
| 2003 | 7 | 6 |
| 2004 | 1 | 4 |
| 2005 | 6 | 12 |
| 2006 | 8 | 5 |
| 2007 | 3 | 10 |
| 2008 | 10 | 6 |
| 2009 | 3 | 3 |
| 2010 | 5 | 6 |
| 2011 | 6 | 9 |
| 2012 | 4 | 3 |
| 2013 | 5 | 3 |
| 2014 | 2 | 1 |
| 2015 | 0 | 6 |
| 2016 | 6 | 6 |
| 2017 | 5 | 4 |
| 2018 | 4 | 2 |
| 2019 | 1 | 1 |
| 2020 | 4 | 2 |
| 2021 | 1 | 2 |
| 2022 | 3 | 5 |
| 2023 | 2 | 4 |
| 2024 | 2 | 0 |
| 2025 | 2 | 3 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multiple angle verification measuring apparatus15 Sep 2026US 12,736,340 B2
- Resetable mechanical tilt sensor17 Mar 2026US 12,578,192 B2NVIDIA Corporation
- Orientation determination device30 Dec 2025US 12,510,355 B1
- Multiple angle verification measuring apparatus7 Oct 2025US 12,435,976 B2
- Optical fiber sensing system29 Oct 2024US 12,130,173 B2National Applied Research Laboratories
- Measurement apparatus with pendulum-based plumb indication and fluid-based level indication16 Jul 2026US 2026/0202198 A1
- Method for measuring state of rotary member9 Jul 2026US 2026/0194347 A1Sankyo Seisakusho Co.
- Multiple angle verification measuring apparatus2 Jul 2026US 2026/0185829 A1
- Measurement device4 Jun 2026US 2026/0153329 A1Sankyo Seisakusho Co.
- Laser level2 Oct 2025US 2025/0305820 A1Stanley Black & Decker, Inc.
Most cited
By later US patents
- Control-lever for a game130US 4,503,299 AThomson-Brandt · 1985
- Method and apparatus for determining at least one characteristic value of movement of a body98US 4,821,218 A1989
- Digital inclinometer55US 4,942,668 AZircon International, Inc. · 1990
- Crane level indicator device44US 5,673,491 A1997
- Apparatus for indicating angular position in a vertical direction43US 4,277,895 AAGA Aktiebolag · 1981