Inventor · Bielefeld, DE

Armin Tonsmann

10Patents
6h-index
6Co-inventors
55Inventor score

Filing activity: May 3, 1984 → Mar 27, 1998

Most-cited inventions

PatentTitleAreaCited byStatus
US6141923A Fire-resistant frame structure for a facade or glass roof Fixed Constructions 53 Expired
US4638613A Metal-glass structure for a front wall or a roof Fixed Constructions 31 Expired
US4739583A Deviating device of a locking bar brace for a window or a door Fixed Constructions 27 Expired
US5694731A Fire resistant frame structure for windows, doors, facades or glass roofs Emerging Cross-Sectional Technologies 24 Expired
US5618127A T-connector between two profiles Emerging Cross-Sectional Technologies 15 Expired
US4790583A Actuating arrangement for window casement or door leaf fittings Emerging Cross-Sectional Technologies 7 Expired
US4581852A Heat-insulated window casement and frame construction Fixed Constructions 5 Expired
US5388370A Transmission for adjustable sashes in door-or window frames Fixed Constructions 4 Expired
US4662054A Method of assembling insulated rail sections Emerging Cross-Sectional Technologies 0 Expired
US4646408A Device for fastening together the parts of a heat-insulated composite section Emerging Cross-Sectional Technologies 0 Expired

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