Individual holder
NACHTRIEB PAUL W
3 granted patents·76 citations·filing 1976–1987
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0177US4390331APositive displacement four lobe impeller structureNACHTRIEB PAUL W·Filed 1980·Granted Jun 28, 1983·37 cites·3 claims
- 0277US4057375APump structureNACHTRIEB PAUL W·Filed 1976·Granted Nov 8, 1977·29 cites·9 claims
- 0337US4826402AHigh-capacity centrifugal pumpNACHTRIEB PAUL W·Filed 1987·Granted May 2, 1989·10 cites·22 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →