G01C 21/00
Navigation
Official title: Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 (measuring distance traversed on the ground by a vehicle G01C22/00; control of position, course, altitude or attitude of vehicles G05D1/00; traffic control systems for road vehicles involving transmission of navigation instructions to the vehicle G08G1/0968)
G01C21/00 (Navigation) appears on 34,528 US grants and 43,664 published applications in this corpus.
Search patents in G01C- Granted patents
- 34,528
- Published applications
- 43,664
- Assignees
- 6,336
- Inventors
- 59,971
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 20 | 0 |
| 1977 | 16 | 0 |
| 1978 | 27 | 0 |
| 1979 | 23 | 0 |
| 1980 | 12 | 0 |
| 1981 | 29 | 0 |
| 1982 | 19 | 0 |
| 1983 | 25 | 0 |
| 1984 | 23 | 0 |
| 1985 | 32 | 0 |
| 1986 | 21 | 0 |
| 1987 | 41 | 0 |
| 1988 | 30 | 0 |
| 1989 | 49 | 0 |
| 1990 | 54 | 0 |
| 1991 | 49 | 0 |
| 1992 | 60 | 0 |
| 1993 | 61 | 0 |
| 1994 | 81 | 0 |
| 1995 | 103 | 0 |
| 1996 | 97 | 0 |
| 1997 | 86 | 0 |
| 1998 | 174 | 0 |
| 1999 | 204 | 0 |
| 2000 | 256 | 0 |
| 2001 | 324 | 154 |
| 2002 | 387 | 408 |
| 2003 | 358 | 450 |
| 2004 | 371 | 552 |
| 2005 | 359 | 581 |
| 2006 | 350 | 715 |
| 2007 | 319 | 760 |
| 2008 | 331 | 971 |
| 2009 | 435 | 1036 |
| 2010 | 550 | 1164 |
| 2011 | 600 | 1205 |
| 2012 | 822 | 1138 |
| 2013 | 1076 | 1483 |
| 2014 | 1313 | 1642 |
| 2015 | 1556 | 1906 |
| 2016 | 1604 | 2130 |
| 2017 | 1924 | 2327 |
| 2018 | 1872 | 2641 |
| 2019 | 2314 | 2994 |
| 2020 | 2324 | 3630 |
| 2021 | 2454 | 3420 |
| 2022 | 2483 | 3013 |
| 2023 | 2517 | 2797 |
| 2024 | 2497 | 2712 |
| 2025 | 2256 | 2333 |
| 2026 | 1540 | 1502 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01C 21/26Navigation: specially adapted for navigation in a road network23,577
- G01C 21/20Instruments for performing navigational calculations7,431
- G01C 21/38Electronic maps specially adapted for navigation5,119
- G01C 21/10Navigation: by using measurements of speed or acceleration4,224
- G01C 21/005Navigation: with correlation of navigation data from several sources1,429
- G01C 21/04Navigation: by terrestrial means307
- G01C 21/02Navigation: by astronomical means268
- G01C 21/24Navigation: specially adapted for cosmonautical navigation86
Recent patents
- Cleaning robot escape method and device, medium, and electronic apparatus6 Oct 2026US 12,751,594 B2Beijing Roborock Innovation Technology Co., Ltd.
- Smart vehicle systems and control logic with automated lane merging assistance6 Oct 2026US 12,752,704 B2GM Global Technology Operations LLC
- System and method for real time verification of motion estimation via map plausible localization6 Oct 2026US 12,752,795 B2TORC Robotics, Inc.
- Electronic apparatus for controlling function of vehicle, and method thereby6 Oct 2026US 12,752,797 B2Samsung Electronics Co., Ltd.
- Using magnetic-sensor data to correct for INS drift6 Oct 2026US 12,754,020 B2Astra Navigation, Inc.
- User-prompted cleaning by autonomous vacuum8 Oct 2026US 2026/0305895 A1Matic Robots, Inc. (fka Matician, Inc.)
- Method for constructing a map while performing work8 Oct 2026US 2026/0305899 A1Bobsweep USA
- Method of enhancing vehicle safety, method of controlling vehicle operation, processing system, vehicle, and machine-readable instruction code8 Oct 2026US 2026/0307665 A1TomTom International B.V.
- Modular, multi-axis, sensor system8 Oct 2026US 2026/0309446 A1Holistictlc Corp
- Navigation device for an optical system for aiming and observing a scene, and method for determining an attitude for such an optical system8 Oct 2026US 2026/0309461 A1Safran Electronics & Defense
Most cited
By later US patents
- Travel reservation information and planning system2,363US 5,948,040 ADeLorme Publishing Co. · 1999
- Integrated routing/mapping information1,518US 6,321,158 B1DeLorme Publishing Co. · 2001
- Method and system for displaying navigation information on an electronic map1,244US 8,032,297 B22011
- Method and system for displaying social networking navigation information1,240US 8,014,943 B22011
- Displaying content associated with electronic mapping systems1,231US 8,490,025 B22013