Ptak; Thaddeus J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ptak; Thaddeus J..The latest application filed is for "air filter formed by slit and expanded layers of electrostatically enhanced material".
- Ptak; Thaddeus J. - Cana Winchester OH
- Ptak; Thaddeus J. - Canal Winchester OH
- Ptak; Thaddeus J. - Ashville OH
| Patent | Date |
|---|---|
| Multi layer pleatable filter medium Grant 9,943,796 - Ptak , et al. April 17, 2 | 2018-04-17 |
| Filter medium having ozone and odor removal properties Grant 9,199,189 - Ptak December 1, 2 | 2015-12-01 |
| Composite filter media Grant 8,343,251 - Ptak , et al. January 1, 2 | 2013-01-01 |
| Air filter formed by slit and expanded layers of electrostatically enhanced material Grant 8,105,425 - Ptak , et al. January 31, 2 | 2012-01-31 |
| Air Filter Formed By Slit And Expanded Layers Of Electrostatically Enhanced Material App 20110174157 - Ptak; Thaddeus J. ; et al. | 2011-07-21 |
| Air filter formed from slit and expanded layers of electrostatically enhanced material Grant 7,951,229 - Ptak , et al. May 31, 2 | 2011-05-31 |
| Multi Layer Pleatable Filter Medium App 20100247404 - Ptak; Thaddeus J. ; et al. | 2010-09-30 |
| Composite Filter Media App 20090255404 - Ptak; Thaddeus J. ; et al. | 2009-10-15 |
| Air Filter Formed From Slit And Expanded Layers Of Electrostatically Enhanced Material App 20090064862 - Ptak; Thaddeus J. ; et al. | 2009-03-12 |
| Composite filter media App 20060060085 - Ptak; Thaddeus J. ; et al. | 2006-03-23 |
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