Centrifugal pump
Latest Ebara Corporation Patents:
- ABRASION DETECTION DEVICE, ABRASION DETECTION METHOD, SUBSTRATE CLEANING DEVICE, AND SUBSTRATE CLEANING METHOD
- Plating apparatus and plating process method
- CLEANING METHOD AND APPARATUS FOR WASHING TOOL, SUBSTRATE WASHING APPARATUS AND MANUFACTURING METHOD FOR WASHING TOOL
- Detection signal processing apparatus and detection signal processing method for eddy current sensor
- Electron beam irradiation apparatus with overlapping beam columns and helping columns
Description
FIG. 1 is a front elevational view of a centrifugal pump showing my new design, the rear being a mirror image of the front shown;
FIG. 2 is a right side view thereof;
FIG. 3 is a top plan view thereof; and
FIG. 4 is a bottom plan view thereof.
Referenced Cited
U.S. Patent Documents
D154617 | July 1949 | Marsalis |
D191333 | September 1961 | Johnson et al. |
D236756 | September 1975 | Franzen |
D242651 | December 7, 1976 | Arakawa |
3134333 | May 1964 | Vielsen |
3136258 | June 1964 | Bood |
3408942 | November 1968 | Davenport et al. |
Patent History
Patent number: D252811
Type: Grant
Filed: Jul 15, 1977
Date of Patent: Sep 4, 1979
Assignee: Ebara Corporation (Tokyo)
Inventor: Shinichiro Arakawa (Kanagawa)
Primary Examiner: James R. Largen
Attorney: Norman F. Oblon
Application Number: 5/816,145
Type: Grant
Filed: Jul 15, 1977
Date of Patent: Sep 4, 1979
Assignee: Ebara Corporation (Tokyo)
Inventor: Shinichiro Arakawa (Kanagawa)
Primary Examiner: James R. Largen
Attorney: Norman F. Oblon
Application Number: 5/816,145
Classifications