Assignee
UNOZAWA GUMI IRON WORKS
JP·5 granted patents·95 citations·filing 1987–1999
Technology mixF04C5
Top patents by PatentIndex Score
5 records- 0186US4789314AMulti-section roots vacuum pump of reverse flow cooling type with internal flow division arrangementUNOZAWA GUMI IRON WORKS·Filed 1987·Granted Dec 6, 1988·40 cites·9 claims
- 0278US4995796AMulti-section roots vacuum pump of reverse flow cooling typeUNOZAWA GUMI IRON WORKS·Filed 1989·Granted Feb 26, 1991·33 cites·1 claims
- 0353US6254362B1Vacuum pump with dust collecting functionUNOZAWA GUMI IRON WORKS·Filed 1998·Granted Jul 3, 2001·13 cites·7 claims
- 0434US4936757AMulti-section vacuum pumpUNOZAWA GUMI IRON WORKS·Filed 1989·Granted Jun 26, 1990·7 cites·1 claims
- 0528US6318959B1Multi-stage rotary vacuum pump used for high temperature gasUNOZAWA GUMI IRON WORKS·Filed 1999·Granted Nov 20, 2001·2 cites·3 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →