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List of John Evans' Sons patents

List of John Evans' Sons patents
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Patents where
Current Assignee
Name
is
John Evans' SonsJohn Evans' Sons
Name
Description
Patent Applicant
Current Assignee
Inventor
Patent Jurisdiction
Patent Number
Date of Patent
‌
US Patent 10415287 Counterbalance system for tilt-in window having a shielded brake shoe structure

Patent 10415287 was granted and assigned to John Evans' Sons on September, 2019 by the United States Patent and Trademark Office.

John Evans' Sons
John Evans' Sons
John Evans' Sons
John Evans' Sons
United States Patent and Trademark Office
United States Patent and Trademark Office
10415287
September 17, 2019
‌
US Patent 6860066 Shoeless curl spring counterbalance system for a tilt-in window

Patent 6860066 was granted and assigned to John Evans' Sons on March, 2005 by the United States Patent and Trademark Office.

John Evans' Sons
John Evans' Sons
United States Patent and Trademark Office
United States Patent and Trademark Office
6860066
March 1, 2005
‌
US Patent 10174537 Ribbon coil spring anchor mount system for use in a window counterbalance assembly

Patent 10174537 was granted and assigned to John Evans' Sons on January, 2019 by the United States Patent and Trademark Office.

John Evans' Sons
John Evans' Sons
John Evans' Sons
John Evans' Sons
United States Patent and Trademark Office
United States Patent and Trademark Office
10174537
January 8, 2019
‌
US Patent 9334683 System and method for providing a more reliable interconnection between a spring and a brake shoe in the counterbalance system of a tilt-in window

Patent 9334683 was granted and assigned to John Evans' Sons on May, 2016 by the United States Patent and Trademark Office.

John Evans' Sons
John Evans' Sons
United States Patent and Trademark Office
United States Patent and Trademark Office
9334683
May 10, 2016
‌
US Patent 10081972 Versatile and economic anchor mount for a coil spring in a window counterbalance assembly

Patent 10081972 was granted and assigned to John Evans' Sons on September, 2018 by the United States Patent and Trademark Office.

John Evans' Sons
John Evans' Sons
John Evans' Sons
John Evans' Sons
United States Patent and Trademark Office
United States Patent and Trademark Office
10081972
September 25, 2018
‌
US Patent 8640383 System and method for retaining a proper interconnection between a tilt-post and a brake shoe in the counterbalance system of a tilt-in window

Patent 8640383 was granted and assigned to John Evans' Sons on February, 2014 by the United States Patent and Trademark Office.

John Evans' Sons
John Evans' Sons
United States Patent and Trademark Office
United States Patent and Trademark Office
8640383
February 4, 2014
‌
US Patent 6857228 Counterbalance system for a tilt-in window

Patent 6857228 was granted and assigned to John Evans' Sons on February, 2005 by the United States Patent and Trademark Office.

John Evans' Sons
John Evans' Sons
United States Patent and Trademark Office
United States Patent and Trademark Office
6857228
February 22, 2005
‌
US Patent 10941599 Mounting system for mounting a coil spring to a window frame in a sash counterbalance system

Patent 10941599 was granted and assigned to John Evans' Sons on March, 2021 by the United States Patent and Trademark Office.

John Evans' Sons
John Evans' Sons
John Evans' Sons
John Evans' Sons
United States Patent and Trademark Office
United States Patent and Trademark Office
10941599
March 9, 2021
‌
US Patent 9995071 System and method for inhibiting window sash drift

Patent 9995071 was granted and assigned to John Evans' Sons on June, 2018 by the United States Patent and Trademark Office.

John Evans' Sons
John Evans' Sons
John Evans' Sons
John Evans' Sons
United States Patent and Trademark Office
United States Patent and Trademark Office
9995071
June 12, 2018
‌
US Patent 9371677 Brake shoe with contact posts that increase brake strength and improve the interconnection between the brake shoe and a counterbalance spring of a tilt-in window

Patent 9371677 was granted and assigned to John Evans' Sons on June, 2016 by the United States Patent and Trademark Office.

John Evans' Sons
John Evans' Sons
United States Patent and Trademark Office
United States Patent and Trademark Office
9371677
June 21, 2016
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