G01C 15/04
Permanent marks
Official title: Permanent marks; Boundary markers
G01C15/04 (Permanent marks) appears on 102 US grants and 96 published applications in this corpus.
Search patents in G01C- Granted patents
- 102
- Published applications
- 96
- Assignees
- 58
- Inventors
- 187
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 0 |
| 2003 | 2 | 2 |
| 2004 | 4 | 2 |
| 2005 | 1 | 2 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 3 |
| 2010 | 1 | 10 |
| 2011 | 3 | 4 |
| 2012 | 1 | 2 |
| 2013 | 7 | 2 |
| 2014 | 5 | 7 |
| 2015 | 4 | 9 |
| 2016 | 0 | 0 |
| 2017 | 6 | 7 |
| 2018 | 4 | 5 |
| 2019 | 5 | 4 |
| 2020 | 3 | 5 |
| 2021 | 6 | 4 |
| 2022 | 4 | 4 |
| 2023 | 4 | 8 |
| 2024 | 7 | 6 |
| 2025 | 6 | 3 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Unevenness level inspecting device, unevenness level inspectiing system, and unevenness level inspecting method16 Jun 2026US 12,656,114 B2Topcon Corporation
- Smart paint stick devices and methods3 Mar 2026US 12,566,065 B1Seescan, Inc.
- Painting assembly for distance measuring wheel4 Nov 2025US 12,459,725 B2Northwest Instrument Inc.
- Surveying instrument7 Oct 2025US 12,435,978 B2Topcon Corporation
- System and method for automated odometry calibration for precision agriculture systems16 Sep 2025US 12,414,492 B2Deere & Company
- Measurement system and measurement method20 Aug 2026US 2026/0243568 A1NTT, Inc.
- System and method for automated odometry calibration for precision agriculture systems26 Mar 2026US 2026/0083040 A1Deere & Company
- Aircraft structural element16 Oct 2025US 2025/0319991 A1Airbus Operations GmbH
- Marking device tracking13 Mar 2025US 2025/0085106 A1Hewlett-Packard Development Company, L. P.
- Systems and Methods for Determining a Boundary for a Real Estate Parcel Based Upon Signals from a Beacon Apparatus9 Jan 2025US 2025/0012569 A1Carter & Clark, LLC
Most cited
By later US patents
- Radio frequency transponder method for identifying geographical locations such as survey traverse points123US 5,825,298 A1998
- Self-orienting passive marker structure76US 4,712,094 AMinnesota Mining and Manufacturing Company · 1987
- Marking apparatus having operational sensors for underground facility marking operations, and associated methods and systems74US 8,467,969 B2CertusView Technologies, LLC · 2013
- Marking apparatus configured to detect out-of-tolerance conditions in connection with underground facility marking operations, and associated methods and systems65US 8,612,148 B2CertusView Technologies, LLC · 2013
- Golf information system47US 5,044,634 AYardmark, Inc. · 1991