Schmidt; Ernst L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Schmidt; Ernst L..The latest application filed is for "intumescent firestop tape construction".
- Schmidt; Ernst L. - Hager City WI
- Schmidt; Ernst L. - Antwerpen BE
| Patent | Date |
|---|---|
| Fire-resistant building joint system Grant 10,920,417 - Hulteen , et al. February 16, 2 | 2021-02-16 |
| Smoke and sound barrier for a building penetration Grant 10,823,313 - Hulteen , et al. November 3, 2 | 2020-11-03 |
| Penetration firestop system Grant 10,662,644 - Hulteen , et al. | 2020-05-26 |
| Smoke and sound barrier for a building joint system Grant 10,597,867 - Hulteen , et al. | 2020-03-24 |
| Intumescent Firestop Tape Construction App 20200056073 - Hulteen; John C. ; et al. | 2020-02-20 |
| Firestop System For Marine Or Off-shore Applications App 20180345059 - Hulteen; John C. ; et al. | 2018-12-06 |
| A Smoke And Sound Barrier For A Building Joint System App 20180112392 - Hulteen; John C. ; et al. | 2018-04-26 |
| Penetration Firestop System App 20180112395 - Hulteen; John C. ; et al. | 2018-04-26 |
| A Smoke And Sound Barrier For A Building Penetration App 20180106395 - Hulteen; John C. ; et al. | 2018-04-19 |
| A Fire-resistant Building Joint System App 20180106034 - Hulteen; John C. ; et al. | 2018-04-19 |
| Method of firestopping a through-penetration using a fusible inorganic blended-fiber web Grant 8,636,076 - Cordts , et al. January 28, 2 | 2014-01-28 |
| Method Of Firestopping A Through-penetration Using A Fusible Inorganic Blended-fiber Web App 20120097405 - Cordts; Brandon L. ; et al. | 2012-04-26 |
| Sleeve system and method of using Grant 8,161,696 - Colwell , et al. April 24, 2 | 2012-04-24 |
| Sleeve System And Method Of Using App 20120036801 - Colwell; Ted D. ; et al. | 2012-02-16 |
| Sleeve system and method of using Grant 8,069,623 - Colwell , et al. December 6, 2 | 2011-12-06 |
| Sleeve System And Method Of Using App 20110041432 - Colwell; Ted D. ; et al. | 2011-02-24 |
| Tank washing system Grant 4,716,917 - Schmidt January 5, 1 | 1988-01-05 |
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