Company Filing History:
6 out of 14 
5 out of 7 
1 out of 3 Years Active: 1981-1990
Title: **Hiram E Lindsey, Jr: Innovator in Well Liner Technologies**
Introduction
Hiram E Lindsey, Jr. is a noteworthy inventor based in Midland, TX, USA, with an impressive portfolio of 13 patents. His contributions to the field of well liner technologies showcase his innovative spirit and technical expertise, particularly in enhancing the efficiency and effectiveness of well construction.
Latest Patents
Among his latest patents are two significant inventions: the **Rotatable Liner Hanger with Multiple Bearings and Cones** and the **Liner and Drill Pipe Assembly**. The rotatable liner hanger is designed to suspend a well liner effectively by utilizing a multiple cone and multiple bearing mechanism. This design allows for uniform distribution of liner weight, making it particularly beneficial for hanging heavier liner strings. The assembly includes an upper and lower slip assembly that is hydraulically set, ensuring a reliable and efficient setup.
The liner and drill pipe assembly invention enhances the cementing process in well bores. This system integrates a liner with a drill pipe in a telescopic arrangement, allowing for seamless passage from the setting tool to the cementing equipment. With a polished mandrel and valve system, the invention facilitates controlled hydraulic operations during cementing, significantly improving operational efficiency.
Career Highlights
Throughout his career, Hiram has been associated with notable companies such as Lindsey Completion Systems, Inc. and Mwl Tool and Supply Company. His work in these firms has placed him at the forefront of the oilfield services sector, particularly in developing solutions that enhance drilling and cementing technologies.
Collaborations
Hiram has collaborated with several professionals in the industry, including Richard W Adams and Roger P Allwin. These collaborations have provided a platform for innovation and have contributed to the successful development of his patented technologies.
Conclusion
Hiram E Lindsey, Jr. exemplifies the spirit of innovation in the oil and gas sector. With his extensive patent portfolio and collaborative efforts, he continues to leave a mark on the industry, driving advancements in well construction technologies. His work not only benefits operational efficiencies but also sets new standards in safety and effectiveness within the field.