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Patent applications and USPTO patent grants for Freitag; Rudiger.The latest application filed is for "electrical heating device".
Patent | Date |
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PTC heating device and electric heating device with such a PTC heating device and method for producing an electric heating device Grant 11,395,376 - Niederer , et al. July 19, 2 | 2022-07-19 |
Electrical Heating Device App 20210254859 - Freitag; Rudiger | 2021-08-19 |
Electrical heating device Grant 11,092,358 - Freitag August 17, 2 | 2021-08-17 |
Heat Generating Element and Method for Manufacturing the Same App 20210204365 - Asafi; Ahmad ;   et al. | 2021-07-01 |
PTC Heating Device and Electric Heating Device with Such a PTC Heating Device and Method for Producing an Electric Heating Device App 20210144812 - Niederer; Michael ;   et al. | 2021-05-13 |
PTC Heating Element And Electric Heating Device With Such A PTC Heating Element And Method For The Production Of A PTC Heating Element App 20200340708 - Walz; Kurt ;   et al. | 2020-10-29 |
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