Inventor · Ferlach, AT

Siegfried Sigott

12Patents
5h-index
13Co-inventors
59Inventor score

Filing activity: Mar 12, 1975 → Sep 24, 1986

Most-cited inventions

PatentTitleAreaCited byStatus
US3958832A Drum mining head with cutter pattern Fixed Constructions 17 Expired
US4020640A Shield structure Fixed Constructions 10 Expired
US4776445A Device for transferring the cup heap of debris onto a drift conveying means Fixed Constructions 9 Expired
US4057260A Device for connecting the bits with the cutting head of a drift advancing machine or the like Emerging Cross-Sectional Technologies 8 Expired
US4111488A Method for cutting minerals and cutting machine Fixed Constructions 7 Expired
US4111227A Pressure relief valve for hydraulic mine supporting elements Emerging Cross-Sectional Technologies 4 Expired
US3972429A Dividing cutting machine Fixed Constructions 4 Expired
US4236627A Cutting machine Performing Operations; Transporting 4 Expired
US4152126A Equipment for removing dust particles from an air stream Emerging Cross-Sectional Technologies 3 Expired
US4263005A Device for provisionally consolidating a gallery and suitable consolidating frame Fixed Constructions 3 Expired
US4404893A Hydraulic mine prop Fixed Constructions 3 Expired
US4075856A Device for consecutively supporting a drift Physics 2 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.