Rotary positive-displacement pump
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Description
2. Rotary positive-displacement pump
The broken lines shown are included for the purpose of illustrating unclaimed subject matter and form no part of the claimed design.
Claims
The ornamental design for for a rotary positive-displacement pump, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
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- Alfa Laval Corp: Instruction Manual “Rotary Lobe Pumps—SX Range”; ESE00915-EN8; dated Sep. 2017; 42 pages.
- Alfa Laval Corp: Instruction Manual “Rotary Lobe Pumps—SRU Range”; ESE00693-EN14; dated Sep. 2017; 56 pages.
- Alfa Laval Corp: Instruction Manual “SCPP 2 Circumferential Piston Pump”; ESE01682-EN4; dated Feb. 2016; 28 pages.
Patent History
Patent number: D976962
Type: Grant
Filed: Jan 19, 2021
Date of Patent: Jan 31, 2023
Assignee: Alfa Laval Corporate AB (Lund)
Inventors: Lars Kjaerulff (Hadsund), Simon Cargill (Eastbourne)
Primary Examiner: Richard E Chilcot
Application Number: 35/512,258
Type: Grant
Filed: Jan 19, 2021
Date of Patent: Jan 31, 2023
Assignee: Alfa Laval Corporate AB (Lund)
Inventors: Lars Kjaerulff (Hadsund), Simon Cargill (Eastbourne)
Primary Examiner: Richard E Chilcot
Application Number: 35/512,258
Classifications
Current U.S. Class:
Pump Or Compressor (D15/7)
