Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
WJ

Walter Juda — 14 Patents

PRPrototech: 7 patents #2 of 8Top 25%
WAWalter Juda Associates: 4 patents #2 of 3Top 70%
AYAyrking: 1 patents #7 of 10Top 70%
Lexington, MA: #376 of 2,299 inventorsTop 20%
Massachusetts: #8,835 of 88,656 inventorsTop 10%
Overall (All Time): #355,423 of 4,157,543Top 9%
14 Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
7261959 Methods of generating oxygen from air via an alkali superoxide 2007-08-28
7169281 Electrochemical pressurizer/purifier of hydrogen for operation at moderately elevated temperatures (including high-temperature electrochemical pump in a membrane generator of hydrogen) R. Todd Bombard, Charles W. Krueger 2007-01-30
6238465 Method of producing thin palladium-copper and the like, palladium alloy membranes by solid-solid metallic interdiffusion, and improved membrane Charles W. Krueger, R. Todd Bombard 2001-05-29
6171574 Method of linking membrane purification of hydrogen to its generation by steam reforming of a methanol-like fuel Charles W. Krueger 2001-01-09
6103028 Method of fabricating thinned free-standing metallic hydrogen-selective palladium-bearing membranes and novel pin-hole-free membranes formed thereby Charles W. Krueger, R. Todd Bombard 2000-08-15
5904754 Diffusion-bonded palladium-copper alloy framed membrane for pure hydrogen generators and the like and method of preparing the same Charles W. Krueger, R. Todd Bombard 1999-05-18
5622100 Catalytic assembly for cooking smoke abatement Donald E. King, Amiram Bar-Ilan 1997-04-22
4661425 Lithium hydride anode for use in alkaline batteries 1987-04-28
4614575 Polymeric hydrogel-containing gas diffusion electrodes and methods of using the same in electrochemical systems Amiram B. Ilan 1986-09-30
4422911 Method of recovering hydrogen-reduced metals, ions and the like at porous catalytic barriers and apparatus therefor Robert J. Allen, Robert Lindstrom, Amiran Bar-Ilan 1983-12-27
4412894 Process for electrowinning of massive zinc with hydrogen anodes Robert J. Allen, Amiram Bar-Ilan 1983-11-01
4331520 Process for the recovery of hydrogen-reduced metals, ions and the like at porous hydrophobic catalytic barriers Robert J. Allen, Robert Lindstrom 1982-05-25
4293396 Thin carbon-cloth-based electrocatalytic gas diffusion electrodes, and electrochemical cells comprising the same Robert J. Allen, Robert Lindstrom 1981-10-06
4248682 Carbon-cloth-based electrocatalytic gas diffusion electrodes, assembly and electrochemical cells comprising the same Robert Lindstrom, Robert J. Allen 1981-02-03