Company Filing History:
1 out of 127 
1 out of 12 Years Active: 1993-1995
Title: Biography of Inventor Mark S Keys
Introduction: Mark S Keys is an innovative inventor based in Missouri City, Texas. He has made significant contributions to the field of pipeline technology, particularly in methods for isolating mainline valves. With a total of two patents to his name, his work has had a notable impact on the industry.
Latest Patents: Mark's latest patents include "Methods and apparatus using a hydrocarbon gel to isolate mainline valves." This invention allows for the effective sealing of existing valves in crude oil, gas, or other product pipelines, enabling pressure tests to be conducted on specific segments of the pipeline. The process involves injecting a mixture of a highly viscous hydrocarbon-based gel and a lost-circulation material to form plugs that seal off leakage paths. Another patent, "Methods and apparatus using a gel to isolate mainline valves," employs a similar approach but utilizes an aqueous-based gel material for hydrotesting.
Career Highlights: Throughout his career, Mark has worked with prominent companies in the industry. He has been associated with Dowell Schlumberger Incorporated and Hydrochem Industrial Services, Inc., where he has applied his expertise in pipeline technology and valve isolation methods.
Collaborations: Mark's collaborations with leading companies have allowed him to refine his inventions and contribute to advancements in pipeline safety and efficiency. His work has been instrumental in developing innovative solutions for the challenges faced in the