Inventor · disambiguated record

Sigmund Black

Also filed as: BLACK SIGMUND

2 granted patents·10 citations·filing 1977–1979

54Inventor score

Technology areasE21C E21F

Files withFAIRCHILD INC1 US INTERIOR1

Top patents by PatentIndex Score

2 records

0135US4097854ASensing mechanism for mine roof bolting apparatusUS INTERIOR·Filed 1977·Granted Jun 27, 1978·7 cites·11 claims
0229US4256343AMechanism for advancing continuous mining machine through mining cycle and tramming modesFAIRCHILD INC·Filed 1979·Granted Mar 17, 1981·3 cites·11 claims

Join the waitlist — get patent alerts

Get an alert when Sigmund Black files or is granted a new patent.

We store only your email — no account needed. See our privacy policy.

Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →

Sigmund Black — Patent Inventor | PatentIndex