G01S 19/41
Differential correction
Official title: Differential correction, e.g. DGPS [differential GPS]
G01S19/41 (Differential correction) appears on 705 US grants and 587 published applications in this corpus.
Search patents in G01S- Granted patents
- 705
- Published applications
- 587
- Assignees
- 329
- Inventors
- 1,282
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 13 | 0 |
| 1996 | 19 | 0 |
| 1997 | 28 | 0 |
| 1998 | 17 | 0 |
| 1999 | 43 | 0 |
| 2000 | 35 | 0 |
| 2001 | 32 | 5 |
| 2002 | 31 | 22 |
| 2003 | 28 | 18 |
| 2004 | 17 | 13 |
| 2005 | 10 | 11 |
| 2006 | 11 | 17 |
| 2007 | 12 | 17 |
| 2008 | 16 | 15 |
| 2009 | 11 | 18 |
| 2010 | 19 | 24 |
| 2011 | 20 | 9 |
| 2012 | 9 | 12 |
| 2013 | 12 | 15 |
| 2014 | 4 | 17 |
| 2015 | 13 | 16 |
| 2016 | 15 | 40 |
| 2017 | 24 | 23 |
| 2018 | 23 | 29 |
| 2019 | 32 | 39 |
| 2020 | 37 | 44 |
| 2021 | 40 | 46 |
| 2022 | 35 | 30 |
| 2023 | 30 | 36 |
| 2024 | 25 | 34 |
| 2025 | 21 | 24 |
| 2026 | 19 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Animal tracking system using high-accuracy positioning18 Aug 2026US 12,710,551 B2Radio Systems Corporation
- System and method for fusing sensor and satellite measurements for positioning determination18 Aug 2026US 12,710,553 B2Swift Navigation, Inc.
- Timescale dissemination using global navigation satellite systems and applications thereof11 Aug 2026US 12,704,637 B2Fnv IP B.V.
- Systems and methods for vehicle positioning28 Jul 2026US 12,693,432 B2Tesla, Inc.
- Calculating a position of one device relative to another7 Jul 2026US 12,674,895 B2u-blox AG
- Systems and methods for vehicle positioning8 Oct 2026US 2026/0309876 A1Tesla, Inc.
- Method for determining an assumed motion path traveled by a ground milling machine, and ground milling machine10 Sep 2026US 2026/0266004 A1BOMAG GmbH
- Cooperative positioning with multiple global navigation satellite system receivers10 Sep 2026US 2026/0267013 A1QUALCOMM Incorporated
- Navigation satellite system (nss)-based positioning methods and systems relying on observations from a plurality of reference stations20 Aug 2026US 2026/0243905 A1Trimble Inc.
- Methods and systems for excess path length corrections for gnss receivers16 Jul 2026US 2026/0202553 A1oneNav, Inc.
Most cited
By later US patents
- Position based personal digital assistant952US 5,938,721 ATrimble Navigation Limited · 1999
- Method and structure for distribution of travel information using network749US 5,959,577 AVectorlink, Inc. · 1999
- Method and apparatus for providing location-based information via a computer network718US 6,677,894 B2SnapTrack, Inc. · 2004
- Method and system for controlling a vehicle669US 7,085,637 B2Intelligent Technologies International, Inc. · 2006
- Method and system for detecting objects external to a vehicle669US 7,202,776 B2Intelligent Technologies International, Inc. · 2007