Airlift pump

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Description

FIG. 1 is a front perspective view of an airlift pump showing our new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a bottom perspective view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a side view thereof;

FIG. 7 is a side view which is opposite that of FIG. 6;

FIG. 8 is a front view thereof;

FIG. 9 is a rear view thereof;

FIG. 10 is a front perspective view of an airlift pump showing a second embodiment of our new design;

FIG. 11 is a rear perspective view of FIG. 10;

FIG. 12 is a bottom perspective view of FIG. 10;

FIG. 14 is a bottom view of FIG. 10;

FIG. 15 is a side view of FIG. 10;

FIG. 16 is a side view which is opposite that of FIG. 15;

FIG. 17 is a front view of FIG. 10;

FIG. 18 is a rear view of FIG. 10;

FIG. 19 is a front perspective view of an airlift pump showing a third embodiment of our new design;

FIG. 20 is a rear perspective view of FIG. 19;

FIG. 21 is a bottom perspective view of FIG. 19;

FIG. 22 is a top view of FIG. 19;

FIG. 23 is a bottom view of FIG. 19;

FIG. 24 is a side view of FIG. 19;

FIG. 25 is a side view which is opposite that of FIG. 24;

FIG. 26 is a front view of FIG. 19;

FIG. 27 is a rear view of FIG. 19;

FIG. 28 is a front perspective view of an airlift pump showing a fourth embodiment of our new design;

FIG. 29 is a rear perspective view of FIG. 28;

FIG. 30 is a bottom perspective view of FIG. 28;

FIG. 31 is a top view of FIG. 28;

FIG. 32 is a bottom view of FIG. 28;

FIG. 33 is a side view of FIG. 28;

FIG. 34 is a side view which is opposite that of FIG. 33;

FIG. 35 is a front view of FIG. 28; and,

FIG. 36 is a rear view of FIG. 28.

Claims

The ornamental design for an airlift pump, as shown and described.

Referenced Cited
U.S. Patent Documents
D273383 April 10, 1984 Griggs, Jr.
D550715 September 11, 2007 Davidson et al.
D608796 January 26, 2010 Miller et al.
Patent History
Patent number: D637208
Type: Grant
Filed: Apr 13, 2009
Date of Patent: May 3, 2011
Assignee: Siemens Water Technologies Corp. (Warrendale, PA)
Inventors: Peter Zauner (Faulconbridge), Fufang Zha (West Ryde), Roger William Phelps (Kings Langley), Tomasz Swiatek (Baulkham Hills)
Primary Examiner: Ralf Seifert
Application Number: 29/335,279
Classifications
Current U.S. Class: Pump Or Compressor (D15/7)