G01C 9/36
Of the spherical type, i.e. for indicating the level in all directions
Official title: of the spherical type, i.e. for indicating the level in all directions
G01C9/36 (Of the spherical type, i.e. for indicating the level in all directions) appears on 55 US grants and 37 published applications in this corpus.
Search patents in G01C- Granted patents
- 55
- Published applications
- 37
- Assignees
- 26
- Inventors
- 89
- Latest grant
- 3 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 2 |
| 2003 | 3 | 2 |
| 2004 | 0 | 2 |
| 2005 | 1 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 2 |
| 2013 | 2 | 2 |
| 2014 | 1 | 0 |
| 2015 | 0 | 2 |
| 2016 | 0 | 2 |
| 2017 | 2 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 3 |
| 2020 | 2 | 2 |
| 2021 | 3 | 2 |
| 2022 | 4 | 3 |
| 2023 | 2 | 1 |
| 2024 | 3 | 2 |
| 2025 | 0 | 4 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Level apparatus for determining slope in two dimensions3 Dec 2024US 12,158,357 B2Dm Consulting Inc.
- Level6 Aug 2024US 12,055,415 B2Milwaukee Electric Tool Corporation
- Device for determining orientation of an object6 Feb 2024US 11,892,321 B2
- Instrument for determining level or plumb orientations28 Nov 2023US 11,828,595 B2
- Instrument for determining level or plumb orientations22 Aug 2023US 11,733,040 B2
- Attaching mechanism for bubble level in balance29 Jan 2026US 2026/0029232 A1A&D Company, Limited
- Instrument for determining level, plumb, and 45-degree orientations16 Oct 2025US 2025/0321100 A1
- Semi-circular level10 Apr 2025US 2025/0116515 A1
- A device for determining orientation of an object13 Mar 2025US 2025/0085105 A1
- Level apparatus for determining slope in two dimensions6 Mar 2025US 2025/0076042 A1Dm Consulting Inc.
Most cited
By later US patents
- Hand held electronic remote control device166US 5,459,489 ATV Interactive Data Corporation · 1995
- Gravity dependent pedicle screw tap hole guide65US 6,638,281 B2SpineCore, Inc. · 2003
- Versatile tape measure tool50US 5,379,524 A1995
- Apparatus for generating a signal indicative of the position of a movable element in the apparatus50US 5,847,694 ATV Interactive Data Corporation · 1998
- Simplified green slope indicator29US 6,095,933 A2000