Inventor · Richmond, VA, US

Alfred Hinzmann

23Patents
11h-index
12Co-inventors
72Inventor score

Filing activity: Sep 10, 1974 → Aug 6, 1996

Most-cited inventions

PatentTitleAreaCited byStatus
US5875824A Method and apparatus for high speed delivery of particulate material Human Necessities 57 Expired
US5004467A Tampon Human Necessities 45 Expired
US5442897A Method of and apparatus for making tubular envelopes Emerging Cross-Sectional Technologies 28 Expired
US4755164A Method of and apparatus for making applicators of pledgets and the like Emerging Cross-Sectional Technologies 26 Expired
US4836587A Apparatus for making knots in drawstrings of catamenial tampons Textiles; Paper 25 Expired
US5471820A Method of and apparatus for wrapping tampons Performing Operations; Transporting 21 Expired
US3962957A Curling device for webs of paper or the like Performing Operations; Transporting 21 Expired
US4302174A Arrangement for closing the barrels of tampon inserters Human Necessities 16 Expired
US4249547A Method and apparatus for applying adhesive to running webs of wrapping material Performing Operations; Transporting 16 Expired
US4090826A Method and apparatus for perforating the wrappers of rod-shaped smokers products Human Necessities 15 Expired
US4321993A Arrangement for orienting and conveying barrels of tampon inserters Human Necessities 12 Expired
US4063480A Apparatus for severing rod-shaped smokers' products Emerging Cross-Sectional Technologies 10 Expired
US4633923A Apparatus for filling ink cartridges Performing Operations; Transporting 9 Expired
US4262680A Method and apparatus for attaching filter plugs to cigarettes or the like Human Necessities 7 Expired
US4681124A Apparatus for manipulating particles of tobacco or filter material Human Necessities 7 Expired
US4886077A Method and apparatus for assembling plain cigarettes with filter rod sections Human Necessities 7 Expired
US3996944A Distributor for cigarette rod making machines or the like Human Necessities 6 Expired
US4538626A Apparatus for trimming a tobacco stream Human Necessities 6 Expired
US3996943A Distributor for cigarette rod making machines or the like Emerging Cross-Sectional Technologies 5 Expired
US4383435A Method and apparatus for monitoring the locations of perforations in webs of wrapping material for filter cigarettes or the like Performing Operations; Transporting 5 Expired
US4620552A Method and apparatus for making and manipulating streams of fibrous material Human Necessities 4 Expired
US4564029A Method and apparatus for assembling plain cigarettes with filter rod section Human Necessities 3 Expired
US4642083A Method and apparatus for making and manipulating inner tubes for use in dry cells or the like Performing Operations; Transporting 2 Expired

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