John Freddy Hansen — 43 Patents at Tc1

John Freddy Hansen has been granted 43 US patents while listed as an inventor at Tc1. The first was granted in 2009 and the most recent in March 2025. John Freddy Hansen ranks #69,380 of 4,157,543 US inventors in our database (top 1.7%). Patent records list John Freddy Hansen in Pleasanton, CA, US.

Issued Patents All Time

Showing 1–25 of 43 patents

Patent #	Title	Co-Inventors	Date
12257428	Systems and methods for wireless energy transfer for ventricular assist devices	Eric Lee	2025-03-25
12210805	Systems and methods for modeling wireless power transfer systems including stacked plate resonators	—	2025-01-28
12064612	Systems and methods for inertial sensing for VAD diagnostics and closed loop control	John Donald Hill, Peter Andriola, Daniel I. Harjes, Eric Lee, Gionata Valchera +2 more	2024-08-20
12029535	Communication methods and architecture for heart treatment systems	Daniel I. Harjes, Joseph C. Stark, III, Ghazal Anvar Mauro, Eric Lee, Justin A. Callaway +1 more	2024-07-09
12017054	Thermal interconnect for implantable blood pump	—	2024-06-25
12003123	Energy management of blood pump controllers	Brian Kimball, Joseph C. Stark, III, Peter Thatcher, Peter Andriola, Carine Hoarau +2 more	2024-06-04
11689057	Mechanical gauge for estimating inductance changes in resonant power transfer systems with flexible coils for use with implanted medical devices	—	2023-06-27
11682924	Systems and methods for wireless power resonators with core cavity	Russell Eugene Anderson, Daniel I. Harjes, Alexander Baval, Jeffrey Iudice	2023-06-20
11564574	Resonant power transfer systems with communications	—	2023-01-31
11478629	Adjusting pump protocol based on irregular heart rhythm	Daniel I. Harjes, Joseph C. Stark, III, Ghazal Anvar Mauro, Eric Lee, Justin A. Callaway +1 more	2022-10-25
11439806	Energy management of blood pump controllers	Brian Kimball, Joseph C. Stark, III, Peter Thatcher, Peter Andriola, Carine Hoarau +2 more	2022-09-13
11317988	Systems and methods for locating implanted wireless power transmission devices	Christopher Eskildsen	2022-05-03
11241570	Systems and methods for inertial sensing for VAD diagnostics and closed loop control	John Donald Hill, Peter Andriola, Daniel I. Harjes, Eric Lee, Gionata Valchera +2 more	2022-02-08
11179559	Resonant power transfer systems with communications	—	2021-11-23
11065436	Communication methods and architecture for heart treatment systems	Daniel I. Harjes, Joseph C. Stark, III, Ghazal Anvar Mauro, Eric Lee, Justin A. Callaway +1 more	2021-07-20
11013905	Thermal interconnect for implantable blood pump	—	2021-05-25
10940251	Mechanical gauge for estimating inductance changes in resonant power transfer systems with flexible coils for use with implanted medical devices	—	2021-03-09
10898292	Systems and methods for locating implanted wireless power transmission devices	Christopher Eskildsen	2021-01-26
10873220	Resonant power transfer systems with communications	Ian Coll McEachern	2020-12-22
10780209	Adjusting pump protocol based on irregular heart rhythm	Daniel I. Harjes, Joseph C. Stark, III, Ghazal Anvar Mauro, Eric Lee, Justin A. Callaway +1 more	2020-09-22
10773003	System architecture that allows patient replacement of VAD controller/interface module without disconnection of old module	—	2020-09-15
10770923	Systems and methods for elastic wireless power transmission devices	—	2020-09-08
10722633	Energy management of blood pump controllers	Brian Kimball, Joseph C. Stark, III, Peter Thatcher, Peter Andriola, Carine Hoarau +2 more	2020-07-28
10695476	Resonant power transfer systems with communications	—	2020-06-30
10693299	Self-tuning resonant power transfer systems	Ethan Petersen	2020-06-23

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John Freddy Hansen — 43 Patents

Issued Patents All Time

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