This inventor holds 1 USPTO granted patent. Top assignee: Other. Active years: 1993.
Company Filing History:
1 out of 834,411 Years Active: 1993
Title: Bruce M Grachal: Innovator in Sewer Technology
Introduction
Bruce M Grachal is a notable inventor based in Coeur d'Alene, ID (US). He has made significant contributions to the field of sewer technology, particularly with his innovative designs that enhance the functionality and maintenance of sewer systems.
Latest Patents
Grachal holds a patent for a "Sewer check valve and cleanout apparatus." This invention features a valve body that is substantially inverted-T in shape, equipped with a horizontal conduit and an upright external riser. The design includes an internal riser that can be received within the external riser, along with a flapper that seals against an annular valve seat. This innovative apparatus allows for easy maintenance and replacement, as the internal riser can be retracted from the external riser. The curved bore design facilitates the direction of cleanout cables downstream, ensuring efficient operation.
Career Highlights
Throughout his career, Grachal has focused on developing practical solutions for sewer systems. His work has led to advancements that improve the reliability and ease of maintenance of these essential infrastructures.
Collaborations
Grachal has collaborated with notable individuals in his field, including Rodney C Freligh and Howard L Griffiths. These partnerships have contributed to the refinement and success of his inventions.
Conclusion
Bruce M Grachal's innovative contributions to sewer technology demonstrate his commitment to improving infrastructure. His patent for the sewer check valve and cleanout apparatus is a testament to his ingenuity and dedication to practical solutions.