Pump impeller

Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a perspective view from one end;

FIG. 2 is a perspective view from the other end;

FIG. 3 is a plan view from said first end; and,

FIG. 4 is a plan view from said other end.

Referenced Cited
U.S. Patent Documents
D258588 March 17, 1981 Sugiura
D268112 March 1, 1983 Sugiura
2465671 March 1949 Millingen et al.
4520541 June 4, 1985 Miki et al.
4904158 February 27, 1990 Kun
5002461 March 26, 1991 Young et al.
5540550 July 30, 1996 Kubota
Patent History
Patent number: D382881
Type: Grant
Filed: Mar 5, 1996
Date of Patent: Aug 26, 1997
Assignee: Kvaerner Pulping Technologies Aktiebolag
Inventors: Ronny Hoglund (Skoghall), Ulf Jansson (Karlstad)
Primary Examiner: Ralf Seifert
Attorney: Ronald P. Kananen
Application Number: 0/51,214
Classifications
Current U.S. Class: Pump Or Compressor (D15/7)
International Classification: 1502;