Patents by Inventor Arnold E. Unruh, SR.

Arnold E. Unruh, SR. 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).

  • Safety plate
    Patent number: 10975998
    Abstract: A safety plate has a first, concave side for abutting a pipe, a second, convex side opposite the first, concave side, an arcuate portion interposed between a first linear portion and a second linear portion, a first edge on the first arcuate portion, and a second edge on the second arcuate portion; wherein the distance between the first and second edges is less than an exterior diameter of the pipe. A method of using a safety plate involves forcing the first side of the safety plate to abut the pipe, the safety plate extending around at least half of the circumference of the pipe.
    Type: Grant
    Filed: March 20, 2019
    Date of Patent: April 13, 2021
    Inventor: Arnold E. Unruh, Sr.
  • SAFETY PLATE
    Publication number: 20190219217
    Abstract: A safety plate has a first, concave side for abutting a pipe, a second, convex side opposite the first, concave side, an arcuate portion interposed between a first linear portion and a second linear portion, a first edge on the first arcuate portion, and a second edge on the second arcuate portion; wherein the distance between the first and second edges is less than an exterior diameter of the pipe. A method of using a safety plate involves forcing the first side of the safety plate to abut the pipe, the safety plate extending around at least half of the circumference of the pipe.
    Type: Application
    Filed: March 20, 2019
    Publication date: July 18, 2019
    Inventor: Arnold E. Unruh, SR.
  • Safety plate
    Patent number: D895415
    Type: Grant
    Filed: September 21, 2018
    Date of Patent: September 8, 2020
    Inventors: Arnold E. Unruh, Sr., Michael H. Walther
  • Safety plate
    Patent number: D989616
    Type: Grant
    Filed: July 16, 2021
    Date of Patent: June 20, 2023
    Assignee: ALU Holdings, Inc.
    Inventor: Arnold E. Unruh, Sr.