Brakelmann; Wolfgang
Patent Applications and Registrations
Patent applications and USPTO patent grants for Brakelmann; Wolfgang.The latest application filed is for "double seat valve with two valve disks".
- Brakelmann; Wolfgang - Unna-Uelzen DE
- Brakelmann; Wolfgang - Unna-Lunern DE
| Patent | Date |
|---|---|
| Double seat valve with two valve disks Grant 4,856,551 - Brakelmann August 15, 1 | 1989-08-15 |
| Method of and device for cleaning hollow spaces in double seat valves Grant 4,552,167 - Brakelmann November 12, 1 | 1985-11-12 |
| Double seat valve Grant 4,461,318 - Brakelmann July 24, 1 | 1984-07-24 |
| Double-seat valve unit leakage control Grant 4,368,753 - Brakelmann , et al. January 18, 1 | 1983-01-18 |
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