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Patent applications and USPTO patent grants for Zurcher; Erwin.The latest application filed is for "apparatus for electrically charging meltblown webs (b-001)".
Patent | Date |
---|---|
Apparatus for electrically charging meltblown webs (B-001) Grant 4,904,174 - Moosmayer , et al. February 27, 1 | 1990-02-27 |
Process for covering a substrate with threads welded through the use of ultrasounds, a machine for the application of this process and a substrate covered with threads welded according to this process Grant 4,582,740 - Zurcher , et al. April 15, 1 | 1986-04-15 |
Method of cutting columns of thread loops Grant 4,271,568 - Durville , et al. June 9, 1 | 1981-06-09 |
Device for joining textile yarns by axial twisting Grant 4,244,169 - Ligones , et al. January 13, 1 | 1981-01-13 |
Apparatus for the cutting of columns of thread loops Grant 4,159,558 - Durville , et al. July 3, 1 | 1979-07-03 |
Process and apparatus for continuously measuring the value of the tension in a filament being displaced from one point to another Grant 3,999,428 - Zurcher December 28, 1 | 1976-12-28 |
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