G01C 15/004
Reference lines, planes or sectors
Official title: {Reference lines, planes or sectors}
G01C15/004 (Reference lines, planes or sectors) appears on 964 US grants and 860 published applications in this corpus.
Search patents in G01C- Granted patents
- 964
- Published applications
- 860
- Assignees
- 264
- Inventors
- 1,323
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 6 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 7 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 11 | 0 |
| 1988 | 11 | 0 |
| 1989 | 10 | 0 |
| 1990 | 7 | 0 |
| 1991 | 7 | 0 |
| 1992 | 4 | 0 |
| 1993 | 8 | 0 |
| 1994 | 7 | 0 |
| 1995 | 2 | 0 |
| 1996 | 11 | 0 |
| 1997 | 7 | 0 |
| 1998 | 26 | 0 |
| 1999 | 32 | 0 |
| 2000 | 34 | 0 |
| 2001 | 18 | 5 |
| 2002 | 20 | 21 |
| 2003 | 17 | 26 |
| 2004 | 33 | 34 |
| 2005 | 26 | 36 |
| 2006 | 34 | 36 |
| 2007 | 31 | 41 |
| 2008 | 24 | 27 |
| 2009 | 26 | 18 |
| 2010 | 18 | 23 |
| 2011 | 15 | 21 |
| 2012 | 21 | 30 |
| 2013 | 22 | 28 |
| 2014 | 29 | 25 |
| 2015 | 28 | 36 |
| 2016 | 31 | 17 |
| 2017 | 22 | 31 |
| 2018 | 27 | 34 |
| 2019 | 33 | 57 |
| 2020 | 39 | 48 |
| 2021 | 36 | 43 |
| 2022 | 46 | 51 |
| 2023 | 43 | 54 |
| 2024 | 36 | 40 |
| 2025 | 38 | 34 |
| 2026 | 35 | 44 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Laser levels and accessories6 Oct 2026US 12,754,018 B2Milwaukee Electric Tool Corporation
- Laser line generating device15 Sep 2026US 12,736,342 B2Stanley Black & Decker, Inc.
- Surveying target and method with distance power optimization15 Sep 2026US 12,736,343 B2Trimble Inc.
- Information processing device, information processing device control method, and storage medium25 Aug 2026US 12,716,721 B2Topcon Corporation
- Survey system25 Aug 2026US 12,716,722 B2Topcon Corporation
- Systems and methods for localizing and positioning solar module arrays8 Oct 2026US 2026/0309494 A1Planted Solar, Inc.
- Wall detection instrument8 Oct 2026US 2026/0309888 A1Yongzhou Noyafa Electronic Co., Ltd.
- Levelling apparatus and method1 Oct 2026US 2026/0298628 A1
- Rotary Laser24 Sep 2026US 2026/0287349 A1Robert Bosch GmbH
- Rotary Laser with a Leveling Unit24 Sep 2026US 2026/0287350 A1Robert Bosch GmbH
Most cited
By later US patents
- Distance-measuring method for a device projecting a reference line, and such a device275US 8,422,035 B2Leica Geosystems AG · 2013
- Position sensing system for surveying and grading189US 4,820,041 AAGTEK Development Company, Inc. · 1989
- Three-dimensional optical levelling, plumbing and angle-calibrating instrument142US 5,539,990 A1996
- Method of airplane interiors assembly using automated rotating laser technology135US 5,742,385 AThe Boeing Company · 1998
- Level line and limb line combination131US 5,864,956 A1999