Inventor · disambiguated record
Charles J. Prange
Also filed as: PRANGE CHARLES J
10 granted patents·220 citations·filing 1980–1989
90Inventor score
Top patents by PatentIndex Score
10 records- 0189US4540017AHose feeder guide apparatusPRANGE CHARLES J·Filed 1983·Granted Sep 10, 1985·67 cites·13 claims
- 0285US4838302ASewer cleaning equipmentSEWER RODDING EQUIPMENT CO·Filed 1988·Granted Jun 13, 1989·33 cites·29 claims
- 0384US5009242AApparatus for monitoring sewer cleaning tool extensionSEWER RODDING EQUIPMENT COMPAN·Filed 1989·Granted Apr 23, 1991·48 cites·6 claims
- 0449US4734951AAutomated sewer cleaning rodding machineSEWER RODDING EQUIPMENT COMPAN·Filed 1986·Granted Apr 5, 1988·12 cites·8 claims
- 0548US4464806ASewer rod turning machine safety deviceSEWER RODDING EQUIPMENT CO·Filed 1982·Granted Aug 14, 1984·13 cites·3 claims
- 0648US4418572ASewer pipe testerSEWER RODDING EQUIPMENT CO·Filed 1981·Granted Dec 6, 1983·10 cites·13 claims
- 0747US4878517AHigh pressure hose pulsation attachmentSEWER RODDING EQUIPMENT CO·Filed 1988·Granted Nov 7, 1989·16 cites·8 claims
- 0843US4839936AAutomated sewer cleaning rodding machineSEWER RODDING EQUIPMENT COMPAN·Filed 1988·Granted Jun 20, 1989·13 cites·12 claims
- 0940US4933018AHigh pressure hose pulsation cleaning methodSEWER RODDING EQUIPMENT CO·Filed 1989·Granted Jun 12, 1990·8 cites·4 claims
- 1029USD267823SSewer line proofer toolSEWER RODDING EQUIPMENT CO·Filed 1980·Granted Feb 1, 1983·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →