- All sections
- G - Physics
- G01S - Radio direction-finding; radio navigation; determining distance or velocity by use of radio waves; locating or presence-detecting by use of the reflection or reradiation of radio waves; analogous arrangements using other waves
- G01S 1/74 - Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using ultrasonic, sonic, or infrasonic waves - Details
Patent holdings for IPC class G01S 1/74
Total number of patents in this class: 72
10-year publication summary
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5
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8
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5
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7
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7
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8
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9
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6
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5
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1
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sonitor Technologies AS | 131 |
12 |
| Symbol Technologies, LLC | 1308 |
11 |
| Amazon Technologies, Inc. | 24422 |
3 |
| Symbol Technologies, Inc. | 731 |
3 |
| CenTrak, Inc. | 89 |
3 |
| Zerokey Inc. | 28 |
3 |
| Ricoh Company, Ltd. | 13266 |
2 |
| Robert Bosch GmbH | 40953 |
2 |
| Raytheon Company | 8535 |
2 |
| Nokia Technologies Oy | 15057 |
2 |
| Google LLC | 38759 |
2 |
| WILSON, Timothy James | 61 |
2 |
| ULC Technologies LLC | 23 |
2 |
| Rakuten Group, Inc. | 1547 |
2 |
| The Procter & Gamble Company | 22178 |
1 |
| Cisco Technology, Inc. | 18858 |
1 |
| Massachusetts Institute of Technology | 9795 |
1 |
| Dell Products L.P. | 11144 |
1 |
| The United States of America as represented by the Secretary of the Navy | 2734 |
1 |
| The Aerospace Corporation | 439 |
1 |
| Other owners | 15 |