Patent Assignment
Reel/Frame 073487/0157
Merger
Recorded: 2026-01-15
Pages: 7
Assignor
CURTIS INSTRUMENTS, INC.
Executed: 2026-01-01
Assignee
PARKER-HANNIFIN CORPORATION
6035 PARKLAND BLVD., CLEVELAND, OHIO, 44124
Covered Properties
(13)
Systems and Methods for Dynamically Compensating Motor Resistance in Electric Motors
Integrated game function in a personal mobility vehicle, such as a wheelchair
Motor Controller with Integrated Safety Function to Eliminate Requirement for External Contactor
Vehicle Component Recognition and Adjustment for Energy Efficiency
Isolation Monitor
Adjustable Length Battery Electrolyte Probe
Power Wheelchair Hand Control With Dual Configurable Keypads
Powered Wheelchair Remote Diagnostics
Magnetic Charger Connector for Wheelchair
Grade Severity Detection
Magnetic Charger Connector for Wheelchair
Power Mosfet Driving Circuit with Transfer Curve Gate Driver and Ground Shift Compensation
Stabilization of Dc-to-Dc Converter
Application:
19/079,411 →
Publication:
US 2025/0317063
Related Assignments
(17)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 8, 2011
From: HOLENWEG, MATTHIAS; STUMP, KURT; MARWELL, STUART E.
To: CURTIS INSTRUMENTS, INC.
Reel/Frame 025916/0648 →
Assignment of Assignor's Interest
May 8, 2012
From: MARWELL, STUART E.
To: CURTIS INSTRUMENTS, INC.
Reel/Frame 028171/0487 →
Assignment of Assignor's Interest
May 9, 2012
From: LINDSAY, RYAN; WHITE, ROGER; BOWMAN, SCOTT; COCHOY, JOHN
To: CURTIS INSTRUMENTS, INC.
Reel/Frame 028183/0785 →
Assignment of Assignor's Interest
Nov 26, 2014
From: LACKER, STEVEN J.; IOANNA, VINCENT; JONKE, RICHARD
To: CURTIS INSTRUMENTS, INC.
Reel/Frame 034268/0166 →
Security Agreement
Jul 22, 2015
From: CURTIS INSTRUMENTS, INC.
To: TD BANK, N.A.
Reel/Frame 036151/0428 →
Assignment of Assignor's Interest
Jan 19, 2017
From: STUCKI, THOMAS; KURZEN, THOMAS; ZURBRUGG, CHRISTOF; BORN, MARCEL
To: CURTIS INSTRUMENTS INC.
Reel/Frame 041014/0615 →
Amended and Restated Security Agreement
Aug 14, 2019
From: CURTIS INSTRUMENTS, INC.
To: TD BANK, N.A.
Reel/Frame 050048/0354 →
Assignment of Assignor's Interest
Aug 28, 2019
From: STUDER, MANUEL
To: CURTIS INSTRUMENTS INC.
Reel/Frame 050196/0637 →
Assignment of Assignor's Interest
Nov 1, 2019
From: STUCKI, THOMAS; KURZEN, THOMAS; ZURBRUGG, CHRISTOF; STUMP, KURT
To: CURTIS INSTRUMENTS, INC.
Reel/Frame 050892/0818 →
Release of Security Interest
Dec 28, 2021
From: TD BANK, N.A.
To: CURTIS INSTRUMENTS, INC.
Reel/Frame 058597/0776 →
Assignment of Assignor's Interest
May 31, 2022
From: WALKER, BRIAN M.; BOOT, JOHANNES
To: CURTIS INSTRUMENTS, INC.
Reel/Frame 060059/0101 →
Assignment of Assignor's Interest
Aug 23, 2023
From: SRIVONGSE, BORIPANN
To: CURTIS INSTRUMENTS, INC.
Reel/Frame 064682/0460 →
Patent Security Agreement (Term)
May 2, 2024
From: CURTIS INSTRUMENTS, INC.; DISCOVERY ENERGY, LLC; HEILA TECHNOLOGIES, INC.
To: BANK OF AMERICA, N.A, AS COLLATERAL AGENT
Reel/Frame 067290/0853 →
Patent Security Agreement (Abl)
May 3, 2024
From: CURTIS INSTRUMENTS, INC.; DISCOVERY ENERGY, LLC; HEILA TECHNOLOGIES, INC.
To: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
Reel/Frame 067306/0903 →
Assignment of Assignor's Interest
Mar 13, 2025
From: ICETON, TIMOTHY CHARLES
To: CURTIS INSTRUMENTS, INC.
Reel/Frame 070508/0537 →
Release of Term Loan Security Interest Recorded at Reel/Frame 067290/0853
Sep 19, 2025
From: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
To: CURTIS INSTRUMENTS, INC.
Reel/Frame 072904/0439 →
Release of Abl Security Interest Recorded at Reel/Frame 067306/0903
Sep 19, 2025
From: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
To: CURTIS INSTRUMENTS, INC.
Reel/Frame 072904/0407 →