G01S 13/00
Systems using the reflection or reradiation of radio waves
Official title: Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
G01S13/00 (Systems using the reflection or reradiation of radio waves) appears on 27,482 US grants and 28,828 published applications in this corpus.
Search patents in G01S- Granted patents
- 27,482
- Published applications
- 28,828
- Assignees
- 5,914
- Inventors
- 43,290
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 178 | 0 |
| 1977 | 187 | 0 |
| 1978 | 164 | 0 |
| 1979 | 125 | 0 |
| 1980 | 139 | 0 |
| 1981 | 98 | 0 |
| 1982 | 99 | 0 |
| 1983 | 60 | 0 |
| 1984 | 71 | 0 |
| 1985 | 105 | 0 |
| 1986 | 106 | 0 |
| 1987 | 168 | 0 |
| 1988 | 120 | 0 |
| 1989 | 137 | 0 |
| 1990 | 155 | 0 |
| 1991 | 155 | 0 |
| 1992 | 183 | 0 |
| 1993 | 195 | 0 |
| 1994 | 217 | 0 |
| 1995 | 227 | 0 |
| 1996 | 278 | 0 |
| 1997 | 255 | 0 |
| 1998 | 292 | 0 |
| 1999 | 285 | 0 |
| 2000 | 324 | 0 |
| 2001 | 303 | 63 |
| 2002 | 373 | 291 |
| 2003 | 379 | 384 |
| 2004 | 368 | 376 |
| 2005 | 316 | 445 |
| 2006 | 387 | 482 |
| 2007 | 341 | 469 |
| 2008 | 344 | 601 |
| 2009 | 462 | 602 |
| 2010 | 522 | 680 |
| 2011 | 454 | 583 |
| 2012 | 510 | 613 |
| 2013 | 513 | 639 |
| 2014 | 640 | 713 |
| 2015 | 714 | 825 |
| 2016 | 750 | 999 |
| 2017 | 909 | 1281 |
| 2018 | 945 | 1596 |
| 2019 | 1362 | 1808 |
| 2020 | 1726 | 2303 |
| 2021 | 1653 | 2263 |
| 2022 | 1738 | 2468 |
| 2023 | 1916 | 2420 |
| 2024 | 2011 | 2298 |
| 2025 | 2146 | 2091 |
| 2026 | 1377 | 1535 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01S 13/88Radar or analogous systems specially adapted for specific applications16,813
- G01S 13/02Systems using reflection of radio waves13,035
- G01S 13/86Combinations of radar systems with non-radar systems4,495
- G01S 13/74Systems using reradiation of radio waves4,375
- G01S 13/87Combinations of radar systems3,585
- G01S 13/66Radar-tracking systems2,193
- G01S 13/003Bistatic radar systems1,367
- G01S 13/006Theoretical aspects55
Recent patents
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Most cited
By later US patents
- Object detection system for vehicle1,327US 7,038,577 B2Donnelly Corporation · 2006
- Vehicle blind spot detection display system978US 5,786,772 ADonnelly Corporation · 1998
- GPS vehicle collision avoidance warning and control system and method961US 5,983,161 A1999
- Autonomous vehicle arrangement and method for controlling an autonomous vehicle851US 6,151,539 AVolkswagen Aktiengesellschaft · 2000
- Accident avoidance system789US 6,405,132 B1Intelligent Technologies International, Inc. · 2002