Vacuum pump

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FIG. 1 is a perspective view of a vacuum pump showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken line showing of the vacuum pump is for the purpose of illustrating portions of the article and forms no part of the claimed design.


The ornamental design for a vacuum pump, as shown and described.

Referenced Cited
U.S. Patent Documents
D377967 February 11, 1997 Rozek
D379996 June 17, 1997 Leu
D382883 August 26, 1997 Breitzman
D470509 February 18, 2003 Chen
D485281 January 13, 2004 Hsiao
D654933 February 28, 2012 Yamanaka
D668268 October 2, 2012 Haener
D684999 June 25, 2013 Osaka
D700625 March 4, 2014 Iwagoshi
D785679 May 2, 2017 Hartung
D791191 July 4, 2017 Hartung
D803890 November 28, 2017 Hatesohl
D891479 July 28, 2020 Boccato
20170074283 March 16, 2017 Manabe
20180291890 October 11, 2018 Suppiger
Other references
  • DHGate, LH-85 New Hot sale lab oilless diaphragm vacuum pump, (site visited Oct. 21, 2020),, URL:<> (Year: 2020).
  • Ulvac Kiko Inc., DTC-22K, (site visited Oct. 21, 2020), ulvac kiko website, URL:<> (Year: 2020).
Patent History
Patent number: D922441
Type: Grant
Filed: Mar 27, 2019
Date of Patent: Jun 15, 2021
Assignee: ULVAC KIKO, INC. (Miyazaki)
Inventor: Yugo Suzuki (Miyazaki)
Primary Examiner: Sheryl Lane
Assistant Examiner: Mark T. Philips
Application Number: 29/685,307
Current U.S. Class: Pump Or Compressor (D15/7)