Patents by Inventor William Zehnder, Jr.

William Zehnder, Jr. has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Towel cabinet replenishment indication and identification system
    Patent number: 4999611
    Abstract: The system indicates which of a plurality of dispersed towel cabinets in a building have their clean towel webs soiled, and require towel roll replacement. A clean toweling supply roller system is mounted within each of the cabinets for web unwinding rotary travel, and a used toweling wind-up roller system is also mounted within each of the cabinets for rewinding the soiled web as it is used. The supply roller system in each cabinet includes an axially extending dispensing roller with an electrically conductive, annular strip on its peripheral face, and a matching strip is provided on a second member which is normally separated from the strip on the roller by the web, and which, when the terminal end of the towel web is withdrawn, electrically engages therewith.
    Type: Grant
    Filed: March 4, 1988
    Date of Patent: March 12, 1991
    Inventor: William Zehnder, Jr.
  • Towel cabinet replenishment indication and identification system
    Patent number: 4746907
    Abstract: The system indicates which of a plurality of dispersed towel cabinets in a building have their clean towel webs soiled, and require towel roll replacement. A clean toweling supply roller system is mounted within each of the cabinets for web unwinding rotary travel, and a used toweling wind-up roller system is also mounted within each of the cabinets for rewinding the soiled web as it is used. The supply roller system in each cabinet includes an axially extending dispensing roller with an electrically conductive, annular strip on its peripheral face, and a matching strip is provided on a second member which is normally separated from the strip on the roller by the web, and which, when the terminal end of the towel web is withdrawn, electrically engages therewith.
    Type: Grant
    Filed: October 21, 1985
    Date of Patent: May 24, 1988
    Inventor: William Zehnder, Jr.