Inventor · disambiguated record
Donald B. Caldwell
Also filed as: CALDWELL DONALD B
6 granted patents·195 citations·filing 1976–1986
86Inventor score
Top patents by PatentIndex Score
6 records- 0185US4223073AHigh-temperature damping compositeMINNESOTA MINING & MFG·Filed 1978·Granted Sep 16, 1980·71 cites·12 claims
- 0273US4034639ASound-damped saw bladeMINNESOTA MINING & MFG·Filed 1976·Granted Jul 12, 1977·23 cites·8 claims
- 0364US4711299AApparatus and methods for pumping solids and undesirable liquids from a well boreADAPTABLE TOOL COMPANY·Filed 1986·Granted Dec 8, 1987·43 cites·6 claims
- 0455US4478285AMethod and apparatus for removal of downhole well debrisMAS MFG CORP·Filed 1982·Granted Oct 23, 1984·26 cites·37 claims
- 0545US4621693AApparatus and methods for pumping solids and undesirable liquids from a well boreADAPTABLE TOOL COMPANY·Filed 1985·Granted Nov 11, 1986·22 cites·12 claims
- 0641US3986581ADamping unit for globular storage tankMINNESOTA MINING & MFG·Filed 1976·Granted Oct 19, 1976·10 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →