Rotary positive displacement pump
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Description
1. Rotary positive-displacement pump
Claims
The ornamental design for a rotary positive-displacement pump, as shown and described.
Referenced Cited
U.S. Patent Documents
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Patent History
Patent number: D973722
Type: Grant
Filed: Jan 19, 2021
Date of Patent: Dec 27, 2022
Assignee:
Inventors: Lars Kjaerulff (Hadsund), Simon Cargill (Eastbourne)
Primary Examiner: Richard E Chilcot
Application Number: 35/512,217
Type: Grant
Filed: Jan 19, 2021
Date of Patent: Dec 27, 2022
Assignee:
Inventors: Lars Kjaerulff (Hadsund), Simon Cargill (Eastbourne)
Primary Examiner: Richard E Chilcot
Application Number: 35/512,217
Classifications
Current U.S. Class:
Pump Or Compressor (D15/7)
