Company Filing History:
5 out of 27 
1 out of 1 
1 out of 832,891 Years Active: 2001-2013
Title: Innovations of Donald W Tinker
Introduction
Donald W Tinker is a notable inventor based in Rapid City, MI (US). He holds a total of 7 patents, showcasing his contributions to the field of engineering and technology. His innovative designs focus primarily on tools and systems used in the oil and gas industry.
Latest Patents
One of his latest patents is the Step Ratchet Fracture Window System. This invention features an internal sleeve that is slidably received within a tubular housing. The sleeve and outer housing have windows that selectively align, allowing for controlled movement of the sleeve by a ball passing through its interior. This mechanism activates a ratchet, enabling the sleeve to move a set amount under the influence of a spring. Additionally, a split seat at the lower end of the housing traps balls after a predetermined number have passed through, facilitating the use of multiple tools for fracturing or other purposes.
Another significant patent is the Frac Sleeve with Rotational Inner Diameter Opening. This design allows for the sequential drilling of frac sleeves in a downhole well. It enables the removal of fracture sleeve pistons without the need for drilling or milling, while still allowing for full fluid flow after treatment. The design incorporates plugs or pistons with sequentially smaller central bores, allowing for selective closure and isolation of treatment zones.
Career Highlights
Throughout his career, Donald W Tinker has worked with various companies, including Team Oil Tools, LP. His experience in the industry has contributed to his innovative approach to solving complex engineering challenges.
Collaborations
Donald has collaborated with notable individuals, including his coworker Michael Thomas Sommers. Their combined expertise has likely led to advancements in their respective fields.
Conclusion
Donald W Tinker is a distinguished inventor whose patents reflect his innovative spirit and dedication to improving technology in the oil and gas sector. His contributions continue to influence the industry and inspire future innovations.