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Patent
   D973722
Priority
Jan 19 2021
Filed
Jan 19 2021
Issued
Dec 27 2022
Expiry
Dec 27 2037
Inventors
Kjaerulff,…
Assg.orig
ALFA LAVAL…
Assg.curr
ALFA LAVAL…
Entity
unknown
Referenced by
6
References
26
Maint.:
n/a
The ornamental design for a rotary positive-displacement pump, as shown and described.

1. Rotary positive-displacement pump

1.1 : Perspective

1.2 : Perspective

1.3 : Front

1.4 : Back

1.5 : Right

1.6 : Left

1.7: Top
INVENTORS:

Kjaerulff, Lars, Cargill, Simon

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
ER1241,
ER742,
ER7938,
ER8054,
ER8067,
ER8450,
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
2550540,
2775204,
2836125,
6152719, Sep 18 1997 Roper Pump Company Gear pump having an inlet port aligned with the drive shaft
20130251581,
196621,
D246976, Oct 21 1975 Vapor Corporation Positive displacement pump
D280727, Jan 03 1983 GAS ODORIZERS, INC , A CORP OF AL Pump for injecting an odorous material into a natural gas line
D613635, May 21 2009 Air compressor and motor combination
D650813, Jan 03 2011 Piusi S.p.A. Pump
D668684, Aug 24 2011 KOBELCO COMPRESSORS CORPORATION Screw compressor
D695318, Mar 26 2012 JOH HEINR BORNEMANN GMBH Pump
D719192, Mar 18 2013 TBG Technische Beteiligungsgesellschaft AG Pump
D722083, Dec 18 2013 Marc Johnson, Soja Combined positive displacement pump and motor
D725153, Oct 17 2013 THE GORMAN-RUPP COMPANY Portable fuel pump design
D749138, Dec 19 2014 Q-Pumps S.A. de C.V. Twin screw pump
D763322, Feb 11 2015 Danfoss A/S Pump
D771148, Jun 19 2015 Combined positive displacement pump with motor
D788178, Sep 09 2015 Watson Marlow GmbH Front cover portion of a positive displacement pump assembly
D789422, Sep 09 2015 Watson Marlow GmbH Central ring portion of a positive displacement pump
D807924, Mar 23 2016 ITT GOULDS PUMPS INC Pump and bearing frame
D896845, Jun 12 2018 ALFA LAVAL CORPORATE AB Twin screw pump
D896846, Jun 12 2018 ALFA LAVAL CORPORATE AB Twin screw pump
D934917, Jun 21 2017 RB Distribution, Inc. Transfer case gear housing
D949205, Jul 31 2020 THE GORMAN-RUPP COMPANY Fluid pump
GB2429751,
ASSIGNMENT RECORDS    Assignment records on the USPTO
///
Executed onAssignorAssigneeConveyanceFrameReelDoc
Jan 19 2021ALFA LAVAL CORPORATE AB(assignment on the face of the patent)
Mar 21 2023KJAERULFF, LARSALFA LAVAL CORPORATE ABASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0630430705 pdf
Mar 21 2023CARGILL, SIMONALFA LAVAL CORPORATE ABASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0630430705 pdf
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
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