Inventor · disambiguated record
Charles M. Blackburn
Also filed as: BLACKBURN CHARLES M · KRISHNAN RAVI C
5 granted patents·145 citations·filing 1978–1982
83Inventor score
Top patents by PatentIndex Score
5 records- 0169US4265074AWeb processing mechanism for forming packagesSIGMA SYSTEMS·Filed 1978·Granted May 5, 1981·27 cites·7 claims
- 0263US4440160ASelf-injurious behavior inhibiting systemUNIV JOHNS HOPKINS·Filed 1982·Granted Apr 3, 1984·76 cites·8 claims
- 0361US4262470APackaging system with cantilevered web feed system accessible for changing webSIGMA SYSTEMS·Filed 1978·Granted Apr 21, 1981·16 cites·9 claims
- 0459US4262474AWeb feeding system for package forming machineSIGMA SYSTEMS·Filed 1978·Granted Apr 21, 1981·15 cites·11 claims
- 0556US4180153AHigh speed batch counting apparatusSIGMA SYSTEMS·Filed 1978·Granted Dec 25, 1979·11 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →