Issued Patents All Time
Showing 26–50 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6669826 | Compact proton exchange membrane (PEM) electrochemical cell stack | Robert Milgate | 2003-12-30 |
| 6500319 | Proton exchange membrane (PEM) electrochemical cell having an integral, electrically-conductive, compression pad | William A. Titterington, Larry L. Swette, Ricardo Leon | 2002-12-31 |
| 6179986 | Solid polymer electrolyte electrochemical oxygen control system with integral reactor feedback sensing | Larry L. Swette | 2001-01-30 |
| 6083641 | Titanium carbide bipolar plate for electrochemical devices | Arthur E. Griffith, Cecelia C. Cropley, John A. Kosek | 2000-07-04 |
| 5964992 | Reference electrode for monitoring steel-in-concrete potentials | Larry L. Swette, Mourad Manoukian, Monjid Hamdan, Ali Akbar Sohanghpurwala, William T. Scannell | 1999-10-12 |
| 5944661 | Potential and diffusion controlled solid electrolyte sensor for continuous measurement of very low levels of transdermal alcohol | Larry L. Swette, Arthur E. Griffith | 1999-08-31 |
| 5580672 | Method for reducing the risk of perforation or gas leakage in electrochemical and gas generating devices | John Zagaja | 1996-12-03 |
| 5527446 | Gas sensor | John A. Kosek, Cecelia C. Cropley | 1996-06-18 |
| 5523177 | Membrane-electrode assembly for a direct methanol fuel cell | John A. Kosek, Cecelia C. Cropley | 1996-06-04 |
| 5136474 | Proton exchange membrane electrochemical capacitors | Srinivasan Sarangapani, Philip M. Lessner | 1992-08-04 |
| 4956061 | Production of halogens by electrolysis of alkali metal halides in an electrolysis cell having catalytic electrodes bonded to the surface of a solid polymer electrolyte membrane | Russell M. Dempsey, Thomas G. Coker, Anthony R. Fragala | 1990-09-11 |
| 4832805 | Multi-layer structure for electrode membrane-assembly and electrolysis process using same | Thomas G. Coker | 1989-05-23 |
| 4822544 | Dry process for fabricating a unitary membrane-electrode structure | Thomas G. Coker, Anthony R. Fragala, John F. Austin | 1989-04-18 |
| 4820386 | Diffusion-type sensor cell containing sensing and counter electrodes in intimate contact with the same side of a proton-conducting membrane and method of use | Arthur E. Griffith | 1989-04-11 |
| 4818637 | Hydrogen/halogen fuel cell with improved water management system | Trent M. Molter | 1989-04-04 |
| 4772364 | Production of halogens by electrolysis of alkali metal halides in an electrolysis cell having catalytic electrodes bonded to the surface of a solid polymer electrolyte membrane | Russell M. Dempsey, Thomas G. Coker, Anthony R. Fragala | 1988-09-20 |
| 4749452 | Multi-layer electrode membrane-assembly and electrolysis process using same | Thomas G. Coker | 1988-06-07 |
| 4707229 | Method for evolution of oxygen with ternary electrocatalysts containing valve metals | Russell M. Dempsey, Anthony R. Fragala, John F. Enos | 1987-11-17 |
| 4569735 | Production of halogens by electrolysis of alkali metal halides in an electrolysis cell having catalytic electrodes bonded to the surface of a solid polymer electrolyte membrane | Russell M. Dempsey, Thomas G. Coker, Anthony R. Fragala | 1986-02-11 |
| 4528083 | Device for evolution of oxygen with ternary electrocatalysts containing valve metals | John F. Enos, Russell M. Dempsey, Anthony R. Fragala | 1985-07-09 |
| 4488951 | Integrated electrochemical/chemical oxygen generating system | Mary E. Nolan | 1984-12-18 |
| 4457824 | Method and device for evolution of oxygen with ternary electrocatalysts containing valve metals | Russell M. Dempsey, Anthony R. Fragala, John F. Enos | 1984-07-03 |
| 4457823 | Thermally stabilized reduced platinum oxide electrocatalyst | Russell M. Dempsey, Thomas G. Coker | 1984-07-03 |
| 4455210 | Multi layer ion exchanging membrane with protected interior hydroxyl ion rejection layer | Thomas G. Coker, Edward N. Balko | 1984-06-19 |
| 4402806 | Multi layer ion exchanging membrane with protected interior hydroxyl ion rejection layer | Thomas G. Coker, Edward N. Balko | 1983-09-06 |