Upmeier; Hartmut

Patent Applications and Registrations

Patent applications and USPTO patent grants for Upmeier; Hartmut.The latest application filed is for "apparatus for helically slitting a continuous tubular film of synthetic thermoplastic material".

Company Profile

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Upmeier; Hartmut - Lengerich DE
Upmeier; Hartmut - Lengerich of Westphalia DE
Upmeier; Hartmut - 4540 Lengerich of Westphalia DE
Upmeier; Hartmut - Tecklenburg DT
Upmeier; Hartmut - 4542 Tecklenburg DT

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Apparatus for helically slitting a continuous tubular film of synthetic thermoplastic material Grant RE34,328 - Upmeier August 3, 1	1993-08-03
Apparatus for cooling tubular plastic film extruded from a film blowing head Grant 4,678,417 - Upmeier July 7, 1	1987-07-07
Process and apparatus for forming and rearranging partial streams of molten materials processed in an extruder for making thermoplastic and/or elastomeric products Grant 4,541,982 - Upmeier September 17, 1	1985-09-17
Method of controlling the film thickness of flat films produced in flat film extruder installations Grant 4,426,239 - Upmeier January 17, 1	1984-01-17
Method of controlling the film thickness of tubular film produced in a blown film extruder installation Grant 4,425,290 - Upmeier January 10, 1	1984-01-10
Method of controlling the film thickness at a blown film extruder installation Grant 4,339,403 - Upmeier , et al. July 13, 1	1982-07-13
Method of controlling the film thickness at a blown film installation Grant 4,339,404 - Upmeier , et al. July 13, 1	1982-07-13
Method and apparatus for optimizing the output of a blown film extruder plant by means of a process computer Grant 4,246,212 - Upmeier , et al. January 20, 1	1981-01-20
Method and apparatus for filling and closing large sacks Grant 4,162,602 - Achelpohl , et al. July 31, 1	1979-07-31
Blowhead for tubular film Grant 3,966,377 - Upmeier , et al. June 29, 1	1976-06-29
Apparatus for cooling plastics material tubing made by a blow head Grant 3,898,028 - Upmeier August 5, 1	1975-08-05
Extruder For Plastics Material, Particularly Thermoplastic Or Non-cross-linked Elastomeric Materials Grant 3,852,013 - Upmeier December 3, 1	1974-12-03
Cooling Means For Tubular Plastics Film Extruded In The Form Of A Bubble Through An Annular Nozzle Orifice Grant 3,762,853 - Upmeier October 2, 1	1973-10-02
Apparatus For Air-cooling A Tubular Plastics Film Blown By A Blowhead Grant 3,749,540 - Upmeier July 31, 1	1973-07-31
Mixing Devices For Plastics Materials Grant 3,682,443 - Upmeier August 8, 1	1972-08-08
Gauging Or Calibrating Device For Tubular Films Grant 3,596,321 - Upmeier August 3, 1	1971-08-03

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