G05D 1/0234
Using optical markers or beacons
Official title: {using optical markers or beacons (optical beacons per se G01S1/70)}
G05D1/0234 (Using optical markers or beacons) appears on 1,124 US grants and 1,180 published applications in this corpus.
Search patents in G05D- Granted patents
- 1,124
- Published applications
- 1,180
- Assignees
- 529
- Inventors
- 2,228
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 9 | 0 |
| 1988 | 6 | 0 |
| 1989 | 14 | 0 |
| 1990 | 5 | 0 |
| 1991 | 8 | 0 |
| 1992 | 5 | 0 |
| 1993 | 5 | 0 |
| 1994 | 9 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 5 | 0 |
| 1998 | 7 | 0 |
| 1999 | 12 | 0 |
| 2000 | 5 | 0 |
| 2001 | 13 | 5 |
| 2002 | 6 | 6 |
| 2003 | 7 | 5 |
| 2004 | 10 | 29 |
| 2005 | 11 | 26 |
| 2006 | 18 | 21 |
| 2007 | 11 | 24 |
| 2008 | 11 | 22 |
| 2009 | 16 | 13 |
| 2010 | 21 | 23 |
| 2011 | 8 | 28 |
| 2012 | 23 | 21 |
| 2013 | 23 | 37 |
| 2014 | 36 | 45 |
| 2015 | 42 | 31 |
| 2016 | 42 | 67 |
| 2017 | 50 | 89 |
| 2018 | 71 | 118 |
| 2019 | 88 | 116 |
| 2020 | 99 | 114 |
| 2021 | 86 | 106 |
| 2022 | 80 | 101 |
| 2023 | 86 | 71 |
| 2024 | 74 | 39 |
| 2025 | 63 | 14 |
| 2026 | 20 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and method of assisted or automated crop transfer25 Aug 2026US 12,714,027 B2AGCO International GmbH
- Navigation system for a visually impaired user and a method of navigating a visually impaired user25 Aug 2026US 12,717,328 B2Logistics and Supply Chain MultiTech R&D Centre Limited
- Systems, devices and methods for determining item availability in a shopping space11 Aug 2026US 12,703,614 B2Walmart Apollo, LLC
- Method of road detection for an automotive vehicle fitted with a LIDAR sensor11 Aug 2026US 12,704,630 B2Ampere S.A.S.
- Laser sensing-based method for spatial positioning of agricultural robot23 Jun 2026US 12,663,546 B2South China Agricultural University
- Restricting movement of a mobile robot20 Aug 2026US 2026/0241563 A1iRobot Corporation
- Hybrid Modular Storage Fetching System2 Jul 2026US 2026/0184511 A1Staples, Inc.
- Grounds maintenance vehicle with traction and steering control system25 Jun 2026US 2026/0174003 A1The Toro Company
- Robot and robot-based container storage and removal method25 Jun 2026US 2026/0176071 A1Beijing Geekplus Technology Co., Ltd.
- Grain truck fill detection23 Apr 2026US 2026/0107880 A1MacDon Industries Ltd.
Most cited
By later US patents
- Charging system for mobile robot, method for searching charging station, mobile robot, connector, and electrical connection structure533US 6,764,373 B1Sony Corporation · 2004
- Recharge docking system for mobile robot497US 4,777,416 ADenning Mobile Robotics, Inc. · 1988
- Computer peripheral floor cleaning system and navigation method458US 5,995,884 A1999
- Method and system for robot localization and confinement445US 6,690,134 B1iRobot Corporation · 2004
- Autonomous multi-platform robot system428US 6,496,755 B2Personal Robotics, Inc. · 2002