Patents by Inventor Jack E. Propp

Jack E. Propp 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).

Portable sprinkler and process for fighting fires in oil refineries and the like

Patent number: 4836291

Abstract: A special self-erecting portable sprinkler is provided to effectively and efficiently fight fires in oil refineries, petrochemical plants, and the like from a remote safe position.

Type: Grant

Filed: May 21, 1987

Date of Patent: June 6, 1989

Assignee: Amoco Corporation

Inventors: David W. Owens, Jack E. Propp
Sprinkler for fighting fires in oil refineries and the like

Patent number: D313459

Type: Grant

Filed: May 21, 1987

Date of Patent: January 1, 1991

Assignee: Amoco Corporation

Inventors: Jack E. Propp, David W. Owens
Sprinkler for fighting petroleum fires and the like

Patent number: D313834

Type: Grant

Filed: May 21, 1987

Date of Patent: January 15, 1991

Assignee: Amoco Corporation

Inventors: David W. Owens, Jack E. Propp

Portable sprinkler and process for fighting fires in oil refineries and the like

Sprinkler for fighting fires in oil refineries and the like

Sprinkler for fighting petroleum fires and the like