Inventor · Lengerich, DE

Friedhelm Brinkmeier

11Patents
5h-index
8Co-inventors
59Inventor score

Filing activity: Feb 7, 1977 → Feb 2, 1998

Most-cited inventions

PatentTitleAreaCited byStatus
US6206262A Separating device for severing perforated tube sections Emerging Cross-Sectional Technologies 23 Expired
US4114520A Apparatus for making bags from a continuously fed thermoplastic tubular web of film Emerging Cross-Sectional Technologies 20 Expired
US4984728A Dual belt conveyor for multi-ply continuous paper tubing Performing Operations; Transporting 13 Expired
US4462779A Apparatus for injecting air or gas into a tubular film bubble Performing Operations; Transporting 9 Expired
US5908169A Device for processing at least two webs of material made of paper or plastic film Performing Operations; Transporting 5 Expired
US5802945A Needle roller arrangement with several needle rollers for perforating a material web Emerging Cross-Sectional Technologies 5 Expired
US5298007A Method and apparatus for manufacturing carrier bags of paper Emerging Cross-Sectional Technologies 4 Expired
US4856396A Apparatus for selectively forming apertures or holes or venting pinholes in a continuously moving web Emerging Cross-Sectional Technologies 4 Expired
US5549751A Adhesive applicator Performing Operations; Transporting 3 Expired
US4117771A Apparatus for forming bundles of flattened bags Performing Operations; Transporting 2 Expired
US4055034A Apparatus for compressing and packaging stacks of flat superposed sheet articles Performing Operations; Transporting 2 Expired

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