The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 11, 1997
Filed:
Apr. 01, 1996
Jurgen Zeltner, Hirschberg, DE;
Heidelberger Druckmaschinen AG, Heidelberg, DE;
Abstract
Method for controlling a valve unit having a rotatable inner part, by which at least one of positive pressure and negative-pressure consumers of a sheet-processing machine is connectible to and disconnectible from a source of positive pressure and negative pressure, respectively, in accordance with an operating cycle of the sheet-processing machine, the operating cycle being repeated at a frequency variable between a minimum cycle frequency and a maximum cycle frequency, includes superimposing an adjusting speed on a rotary speed of the rotatable inner part of the valve unit; and device for performing the method.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile