CH

Charles R. Hill

ID Idatech: 6 patents #8 of 33Top 25%
HP H2 Powertech: 5 patents #1 of 6Top 20%
CM Chung-Hsin Electric &Machinery Mfg.: 1 patents #16 of 39Top 45%
RL Raychem Limited: 1 patents #486 of 928Top 55%
SE Senstar-Stellar: 1 patents #3 of 10Top 30%
Overall (All Time): #282,769 of 4,157,543Top 7%
16
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12275638 Systems and methods for increasing the hydrogen permeance of hydrogen separation membranes in situ Christopher Wright, William A. Pledger 2025-04-15
12226732 Membrane-based hydrogen purifiers 2025-02-18
11999621 Systems and methods for increasing the hydrogen permeance of hydrogen-separation membranes in situ Christopher Wright, William A. Pledger 2024-06-04
11712655 Membrane-based hydrogen purifiers 2023-08-01
11618676 Systems and methods for increasing the hydrogen permeance of hydrogen-separation membranes in situ Christopher Wright, William A. Pledger 2023-04-04
10538022 Polymer injection-molding mold and related methods Edward Sollenberger, Walter Wilsford 2020-01-21
10476093 Membrane modules for hydrogen separation and fuel processors and fuel cell systems including the same Vernon Wade Popham 2019-11-12
6953497 Hydrogen purification devices, components and fuel processing systems containing the same David J. Edlund, William A. Pledger, R. Todd Studebaker 2005-10-11
6719832 Hydrogen purification devices, components and fuel processing systems containing the same David J. Edlund, William A. Pledger, R. Todd Studebaker 2004-04-13
6569227 Hydrogen purification devices, components and fuel processing systems containing the same David J. Edlund, William A. Pledger, R. Todd Studebaker 2003-05-27
6562111 Hydrogen purification devices, components and fuel processing systems containing the same David J. Edlund 2003-05-13
D467191 End plate R. Todd Studebaker 2002-12-17
6494937 Hydrogen purification devices, components and fuel processing systems containing the same David J. Edlund, William A. Pledger, R. Todd Studebaker 2002-12-17
5834688 Electromagnetic intruder detector sensor cable Melvin C. Maki 1998-11-10
5247270 Dual leaky cables R. Keith Harman, Brian Rich 1993-09-21
4859836 Melt-shapeable fluoropolymer compositions Hans E. Lunk, Donald A. Reed, Marguerite E. Deep, Andrew N. Au 1989-08-22