Hedderich; Wilfried
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hedderich; Wilfried.The latest application filed is for "distillation column and use thereof for cleaning isocyanates".
- Hedderich; Wilfried - Hilden DE
- Hedderich, Wilfried - Westerkappeln-Velpe DE
| Patent | Date |
|---|---|
| Distillation column and use thereof for cleaning isocyanates Grant 10,576,392 - Steffens , et al. | 2020-03-03 |
| Distillation Column And Use Thereof For Cleaning Isocyanates App 20180318728 - Steffens; Friedhelm ; et al. | 2018-11-08 |
| Encapsulated plastic panel and method of making the same Grant 10,052,850 - Weiss , et al. August 21, 2 | 2018-08-21 |
| Light emissive plastic glazing having a multilayered configuration for illuminating passenger compartment Grant 9,871,199 - Schwenke , et al. January 16, 2 | 2018-01-16 |
| Light Emissive Plastic Glazing App 20160185287 - Schwenke; Robert ; et al. | 2016-06-30 |
| Light emissive plastic glazing Grant 9,315,148 - Schwenke , et al. April 19, 2 | 2016-04-19 |
| Layer structure comprising a switch illuminated by an ACPEL arrangement Grant 9,252,771 - Kunz , et al. February 2, 2 | 2016-02-02 |
| Encapsulated Plastic Panel And Method Of Making The Same App 20150367612 - Weiss; Keith D. ; et al. | 2015-12-24 |
| Encapsulated plastic panel and method of making the same Grant 9,139,242 - Weiss , et al. September 22, 2 | 2015-09-22 |
| Light Emissive Plastic Glazing App 20140376243 - Schwenke; Robert ; et al. | 2014-12-25 |
| Encapsulated Plastic Panel And Method Of Making The Same App 20140367028 - Weiss; Keith D. ; et al. | 2014-12-18 |
| Layer Structure Comprising A Switch Illuminated By An Acpel Arrangement App 20130241688 - Kunz; Rainer ; et al. | 2013-09-19 |
| Layer Structure Comprising Electrotechnical Components App 20130140541 - Kunz; Rainer ; et al. | 2013-06-06 |
| Three Dimensional Antenna App 20120235879 - Eder; Andreas ; et al. | 2012-09-20 |
| Conversion Film And Method For Producing The Same App 20110217530 - Maier-Richter; Andrea ; et al. | 2011-09-08 |
| Photochromatic effect for polycarbonate glazing applications Grant 7,573,630 - Hedderich , et al. August 11, 2 | 2009-08-11 |
| Encapsulated Plastic Panel And Method Of Making The Same App 20080272613 - Weiss; Keith D. ; et al. | 2008-11-06 |
| Window defroster assembly with light control App 20080028697 - Li; Chengtao ; et al. | 2008-02-07 |
| Polycarbonate glazing system having solar reflecting properties App 20070286995 - Li; Chengtao ; et al. | 2007-12-13 |
| Self-illuminating Glazing Panels App 20070287028 - Hedderich; Wilfried ; et al. | 2007-12-13 |
| Photochromatic effect for polycarbonate glazing applications App 20070278815 - Hedderich; Wilfried ; et al. | 2007-12-06 |
| Light emissive plastic glazing App 20060209551 - Schwenke; Robert ; et al. | 2006-09-21 |
| Superconductor-based processing App 20020037814 - Heise, Joerg ; et al. | 2002-03-28 |
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