| 12151211 |
Electro-pressure membrane method for recovery and concentration of lithium from aqueous sources |
— |
2024-11-26 |
| 11655173 |
Methods of separating and isolating water and other desired constituents from oilfield produced brines |
— |
2023-05-23 |
| 10920417 |
Fire-resistant building joint system |
John C. Hulteen, George W. Frost, Robert E. Gestner, Richard J. Haffner |
2021-02-16 |
| 10899646 |
Methods of separating and isolating water and other desired constituents from oilfield produced brines for reuse |
— |
2021-01-26 |
| 10823313 |
Smoke and sound barrier for a building penetration |
John C. Hulteen, George W. Frost, Richard J. Haffner |
2020-11-03 |
| 10662644 |
Penetration firestop system |
John C. Hulteen, George W. Frost, Richard J. Haffner |
2020-05-26 |
| 10597867 |
Smoke and sound barrier for a building joint system |
John C. Hulteen, George W. Frost, Richard J. Haffner |
2020-03-24 |
| 8636076 |
Method of firestopping a through-penetration using a fusible inorganic blended-fiber web |
Brandon L. Cordts, George W. Frost |
2014-01-28 |
| 8161696 |
Sleeve system and method of using |
Ted D Colwell, Kristen A. Jensen, Rebecca C. Lee |
2012-04-24 |
| 8069623 |
Sleeve system and method of using |
Ted D Colwell, Kristen A. Jensen, Rebecca C. Lee |
2011-12-06 |
| 7501064 |
Integrated electro-pressure membrane deionization system |
Alois Sferrazza, Michael E. Williams |
2009-03-10 |
| 7322782 |
Device for fixing and/or positioning objects in a transport container |
— |
2008-01-29 |
| 7197637 |
Authorization process using a certificate |
Burkhard Kuhls |
2007-03-27 |
| 7026477 |
Process for preparing substituted phenylsulfonylureas from sulfonyl halides |
Jan Vermehren, Mark James Ford, Richard Foster, Ian A. Bourne |
2006-04-11 |
| 6816971 |
Signature process |
Burkhard Kuhls |
2004-11-09 |
| 6537436 |
System for electrodialysis treatment of liquids |
Michael E. Williams, Brian Schmidt, James Donald Schmidt, Erich Schmidt |
2003-03-25 |
| 6274020 |
Electrodialysis membrane and gasket stack system |
Michael E. Williams, Brian Schmidt, James Donald Schmidt, Erich Schmidt |
2001-08-14 |
| 5887342 |
Method for making an electronic control unit |
Reinhold Maier |
1999-03-30 |
| 5839865 |
Device for the nonskid transport of objects on loading surfaces of motor vehicles |
— |
1998-11-24 |
| 5019713 |
Radiation therapy device with moveable aperture plate |
— |
1991-05-28 |
| 4716917 |
Tank washing system |
— |
1988-01-05 |