Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12295080 | Fault diagnosis apparatus and method | Dongjie Cheng, Harish Raikar, Akshay Panchamukhi | 2025-05-06 |
| 8412768 | Integration gateway | Arun Rajaraman, Prasoona Lanka, Suren Raj Magenthrarajah, Prabhushankar Muthuswamy | 2013-04-02 |
| 7967992 | Method and device incorporating granular particles and disc-shaped plastic pellets for filtering water | Glenn F. Cueman | 2011-06-28 |
| 7309429 | Granular filtration device for water | Glenn F. Cueman | 2007-12-18 |
| 6854601 | Bacteriostatic filter cartridge | — | 2005-02-15 |
| 6849214 | Method of making an antimicrobial sintered porous plastic filter | — | 2005-02-01 |
| 6540915 | Antimicrobial semi-permeable membranes | — | 2003-04-01 |
| 6540916 | Antimicrobial sintered porous plastic filter | — | 2003-04-01 |
| 6531519 | Antimicrobial synthetic ion exchange resins | — | 2003-03-11 |
| 6283308 | Bacteriostatic filter cartridge | Gilbert Patrick | 2001-09-04 |
| 6238575 | Antimicrobial treatment of enclosed systems having continuous or intermittent fluid flow | — | 2001-05-29 |
| 6171496 | Antimicrobial filter cartridge | — | 2001-01-09 |
| 5868933 | Antimicrobial filter cartridge | Gilbert Patrick | 1999-02-09 |
| 5762797 | Antimicrobial filter cartridge | Gilbert Patrick | 1998-06-09 |
| 5605755 | Low cost, asbestos free friction material | George P. Boyd, Jr. | 1997-02-25 |
| 5508109 | Fiber blend for low cost, asbestos free friction material | George P. Boyd, Jr. | 1996-04-16 |
| 4859770 | Process for making alpha-phase phthalocyanine blue pigment comprising substantially 100 percent isometric crystals | Thomas E. Donegan, Timothy G. Leary | 1989-08-22 |
| 4758415 | Process for removing soluble metal cations in iron oxide pigments | — | 1988-07-19 |
| 4618375 | Transparent iron oxide pigments | Louis J. Pepoy | 1986-10-21 |
| 4525217 | Process for preparing ferriferrocyanide pigments | John H. Bantjes, Louis J. Pepoy, Reinhard Sappok | 1985-06-25 |
| 4414033 | Process for preparing ferriferrocyanide pigments | John H. Bantjes, John T. Ouderkirk | 1983-11-08 |
| 4403060 | Plastic colored with transparent iron oxide spinels | Lowell E. Netherton | 1983-09-06 |
| 4348240 | Process for deactivating soluble metal cations in iron oxide pigments | Siegfried Kersten, Werner Fliege | 1982-09-07 |
| 4292294 | Yellow pigments stable at high temperatures | Lowell E. Netherton | 1981-09-29 |
| 4289745 | Pigments stable at high temperatures | — | 1981-09-15 |