This inventor holds 3 USPTO granted patents and 2 published patent applications. Top assignees: Tdw Delaware, Inc., Coburn Optical Industries, a Division of Pilkington Visioncare, Inc.. Active years: 1991-1996.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
2 out of 121 
1 out of 1 Years Active: 1991-1996
Title: Joseph L Welch: Innovator in Pipe Fittings and Lens Technology
Introduction
Joseph L Welch is a notable inventor based in Jenks, OK (US). He has made significant contributions to the fields of pipe fittings and lens technology, holding a total of 3 patents. His innovative designs have improved the functionality and safety of various applications.
Latest Patents
One of his latest patents is for a Tee fitting for lined pipe. This invention provides a branch connector that couples a main pipe with a liner to a service line while sealing the interface between the main pipe and the liner. The connector features an outer hollow housing designed for coupling to a service saddle, with apertures for connection to both the main pipe and the service line. An inner sealing assembly can be adjusted to extend into the main pipe, ensuring a secure seal against the liner and main pipe.
Another significant patent by Welch is the Lens blocking apparatus. This invention includes a simplified rotary dial mechanism and a clamp that automatically depressurizes a molten alloy tank when the lens clamp pressure is released. The lens seat is designed with a raised resilient pad to accommodate bifocal lenses, ensuring that the final clamping pressure cannot be applied until the lens clamp contacts the lens, preventing accidental pinching of the operator's fingers.
Career Highlights
Throughout his career, Joseph L Welch has worked with several companies, including Tdw Delaware, Inc. and Coburn Optical Industries, a Division of Pilkington Visioncare, Inc. His experience in these organizations has contributed to his expertise in developing innovative solutions in his field.
Collaborations
Welch has collaborated with various professionals, including his coworker Herbert H Mathews, to enhance his inventions and bring them to fruition.
Conclusion
Joseph L Welch's contributions to innovation in pipe fittings and lens technology demonstrate his commitment to improving safety and functionality in these areas. His patents reflect a deep understanding of engineering principles and a dedication to solving practical problems.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile