Air driven diaphragm pump
Latest Wilden Pump & Engineering Co. Patents:
Description
FIG. 1 is a front elevational view of an air driven diaphragm pump showing my new design;
FIG. 2 is a side elevational view thereof, the opposite side being identical in appearance;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a top plan view thereof; and
FIG. 5 is a top perspective view thereof.
Referenced Cited
U.S. Patent Documents
Other references
D264972 | June 15, 1982 | McMillin et al. |
268413 | March 1983 | Wilden |
D271395 | November 15, 1983 | Credle, Jr. |
275858 | October 1984 | Wilden |
3782863 | November 1974 | Rupp |
3791768 | February 1974 | Wanner |
3849033 | November 1974 | Schan |
4247264 | January 27, 1981 | Wilden |
4406595 | September 27, 1983 | Robertson et al. |
4478560 | October 23, 1984 | Rupp |
- Photograph of the Wilden Pump M8 (undated).
Patent History
Patent number: D294947
Type: Grant
Filed: Aug 6, 1984
Date of Patent: Mar 29, 1988
Assignee: Wilden Pump & Engineering Co. (Colton, CA)
Inventor: James K. Wilden (Yucaipa, CA)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Brian N. Vinson
Law Firm: Lyon & Lyon
Application Number: 6/638,054
Type: Grant
Filed: Aug 6, 1984
Date of Patent: Mar 29, 1988
Assignee: Wilden Pump & Engineering Co. (Colton, CA)
Inventor: James K. Wilden (Yucaipa, CA)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Brian N. Vinson
Law Firm: Lyon & Lyon
Application Number: 6/638,054
Classifications
Current U.S. Class:
Pump Or Compressor (D15/7)