VON Berckheim; Constantin Graf
Patent Applications and Registrations
Patent applications and USPTO patent grants for VON Berckheim; Constantin Graf.The latest application filed is for "electrostatic precipitator".
- VON Berckheim; Constantin Graf - 6940 Weinheim an der Bergstrasse DT
- von Berckheim; Constantin Graf - 6940 Weinheim DT
- VON Berckheim; Constantin Graf - Weinheim/Bergstrasse DT
- VON Berckheim; Constantin Graf - Weinheim DT
- Von Berckheim; Constantin Graf - 694 Weinhein a.d.B. DT
- VON Berckheim; Constantin Graf - 694 Weinheim an der Bergstrasse DT
| Patent | Date |
|---|---|
| Electrostatic precipitator Grant 3,950,153 - VON Berckheim April 13, 1 | 1976-04-13 |
| Electrode arrangement for establishing a steady or constant electric field Grant 3,894,852 - von Berckheim July 15, 1 | 1975-07-15 |
| Air Ionization And Cleaning Arrangement Grant 3,702,526 - Eichmeier November 14, 1 | 1972-11-14 |
| Arrangement For Electrostatic Environmental Conditioning Grant 3,680,281 - Jahnke , et al. August 1, 1 | 1972-08-01 |
| Vehicle Construction Grant 3,662,217 - Von Berckheim May 9, 1 | 1972-05-09 |
| Electrostatic Conditioning Of Air In Vehicles Grant 3,583,754 - VON Berckheim June 8, 1 | 1971-06-08 |
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