Inventor
WARREN GUTHRIE
Inventor
US
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Sprimary
G01SRadio direction-finding19%
H01QAntennas, i.e. radio aerials15%
G07CTime or attendance registers13%
H04BTransmission13%
H04WWireless communication networks13%
H04LTransmission of digital information, e.g. telegraphic communication9%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for6%
H03DDemodulation or transference of modulation from one carrier to another4%
A01BSoil working in agriculture or forestry2%
A01CPlanting2%
PatentTitleYear
11,889,380Method and system for establishing microlocation zones202411,678,137Decentralized proximity system with multiple radio links202311,493,588System and method for determining angle of arrival for communications202211,431,087Wideband, low profile, small area, circular polarized UHF antenna202211,353,538Circular polarized quadrifilar helix antennas electronics202211,269,043Circular polarized quadrifilar helix antennas202211,269,044System and method for determining angle of arrival for communications202211,265,674Method and system for establishing microlocation zones202211,223,136Feed circuit for antenna of angle of arrival measurement system202211,153,708Method and system for establishing microlocation zones202111,150,317Circular polarized angle of arrival measuring system202111,134,603Precision agricultural-device control system and wireless agricultural-device communication protocol2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021–2024Patents assigned to DENSO CORP (9)· patent assignee history
2021–2022Patents assigned to DENSO INT AMERICA INC (6)· patent assignee history
2021Patents assigned to GRAHAM EQUIPMENT LLC (1)· patent assignee history
2021–2024Based in US· patent location history
2022Patents assigned to MILLER R A IND INC (1)· patent assignee history
2023Patents assigned to FLEETWOOD GROUP INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DENSO CORP | 9 | 2021–2024 |
| DENSO INT AMERICA INC | 6 | 2021–2022 |
| FLEETWOOD GROUP INC | 1 | 2023 |
| GRAHAM EQUIPMENT LLC | 1 | 2021 |
| MILLER R A IND INC | 1 | 2022 |
Locations
| Location | Patents | Span |
|---|---|---|
| US | 12 | 2021–2024 |