G01S 3/78
Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic or electromagnetic
Official title: using electromagnetic waves other than radio waves
G01S3/78 (Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic or electromagnetic) appears on 2,538 US grants and 1,794 published applications in this corpus.
Search patents in G01S- Granted patents
- 2,538
- Published applications
- 1,794
- Assignees
- 1,109
- Inventors
- 4,547
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 36 | 0 |
| 1977 | 26 | 0 |
| 1978 | 39 | 0 |
| 1979 | 33 | 0 |
| 1980 | 37 | 0 |
| 1981 | 33 | 0 |
| 1982 | 30 | 0 |
| 1983 | 13 | 0 |
| 1984 | 20 | 0 |
| 1985 | 18 | 0 |
| 1986 | 26 | 0 |
| 1987 | 38 | 0 |
| 1988 | 25 | 0 |
| 1989 | 34 | 0 |
| 1990 | 32 | 0 |
| 1991 | 51 | 0 |
| 1992 | 42 | 0 |
| 1993 | 50 | 0 |
| 1994 | 48 | 0 |
| 1995 | 45 | 0 |
| 1996 | 42 | 0 |
| 1997 | 45 | 0 |
| 1998 | 57 | 0 |
| 1999 | 49 | 0 |
| 2000 | 42 | 0 |
| 2001 | 40 | 9 |
| 2002 | 35 | 40 |
| 2003 | 27 | 34 |
| 2004 | 37 | 37 |
| 2005 | 31 | 43 |
| 2006 | 33 | 67 |
| 2007 | 32 | 38 |
| 2008 | 39 | 67 |
| 2009 | 40 | 84 |
| 2010 | 60 | 88 |
| 2011 | 56 | 92 |
| 2012 | 78 | 89 |
| 2013 | 83 | 79 |
| 2014 | 73 | 85 |
| 2015 | 75 | 126 |
| 2016 | 98 | 129 |
| 2017 | 108 | 98 |
| 2018 | 113 | 111 |
| 2019 | 120 | 108 |
| 2020 | 97 | 89 |
| 2021 | 87 | 81 |
| 2022 | 60 | 63 |
| 2023 | 86 | 49 |
| 2024 | 57 | 39 |
| 2025 | 40 | 33 |
| 2026 | 22 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Marking and method for position determination, and associated camera system6 Oct 2026US 12,754,278 B2Robert Bosch GmbH
- Device for estimating a direction pointing toward an irradiating source29 Sep 2026US 12,748,172 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Systems and methods for pointing photovoltaic arrays22 Sep 2026US 12,741,757 B2Blue Origin Manufacturing, LLC
- Systems and methods of remote object tracking22 Sep 2026US 12,742,846 B1Samsara Inc.
- Angular deviation tracking and detector device for optical systems15 Sep 2026US 12,736,604 B2MACOM Technology Solutions Holdings, Inc.
- Method and device for orienting27 Aug 2026US 2026/0251451 A1Wuhan University
- Elevated dual-axis photovoltaic solar tracking assembly30 Jul 2026US 2026/0221930 A1Stracker Incorporated
- Systems for imaging a target object moving relative to background features23 Jul 2026US 2026/0208888 A1Western Sydney University
- Method and astrophotographic apparatus for acquiring images of targets in sky area18 Jun 2026US 2026/0169277 A1Suzhou Zhen Wang Optical Co., Ltd
- Methods and Systems for Calibrating Sensors Using Road Map Data4 Jun 2026US 2026/0153357 A1Waymo LLC
Most cited
By later US patents
- Vehicular position monitoring system with integral mirror video display712US 5,793,308 ASensorvision Technologies, L.L.C. · 1998
- Distance measuring apparatus of a target tracking type617US 5,515,448 AYazaki Corporation · 1996
- Motor car traveling control device367US 5,309,137 AMitsubishi Denki Kabushiki Kaisha · 1994
- Locating an audio source355US 6,593,956 B1Polycom, Inc. · 2003
- Two-dimensional incident position detector device for light or radiation351US 5,012,082 AHamamatsu Photonics K.K. · 1991