This inventor holds 7 USPTO granted patents, plus 1 CIPO patent and 1 EPO patent. Top assignees: Halliburton Energy Services, Inc., Davidson Instruments Inc.. Active years: 2006-2021.
Location History:
- Ligonier, IN (US) (2006)
- Magnolia, TX (US) (2007 - 2021)
Company Filing History:
4 out of 12,207 
2 out of 11 
Years Active: 2006-2021
Title: The Innovative Contributions of David B. Needham
Introduction
David B. Needham is a notable inventor based in Magnolia, Texas, who has made significant contributions to the field of well tool technology. With a total of seven patents to his name, Needham has developed innovative methods that enhance the efficiency and reliability of well tools used in the energy sector.
Latest Patents
One of Needham's latest patents focuses on a method of pressure testing a well tool. This method involves applying positive or negative pressure to an internal chamber of the well tool, determining a reference pressure, and monitoring the pressure using a pressure sensor located within the chamber. Another aspect of this invention includes applying pressure to the internal chamber at a surface location, creating a pressure differential across a seal, and subsequently installing the well tool in a well to create another pressure differential in the opposite direction across the seal. This well system incorporates a well tool with an internal chamber and a pressure sensor that detects pressure within the chamber, ensuring accurate monitoring and testing.
Career Highlights
Throughout his career, David B. Needham has worked with prominent companies in the energy sector, including Halliburton Energy Services, Inc. and Davidson Instruments Inc. His experience in these organizations has allowed him to refine his skills and contribute to advancements in well tool technology.
Collaborations
Needham has collaborated with several professionals in his field, including John W. Berthold and Jon W. Sroufe. These collaborations have likely fostered innovation and the sharing of ideas, further enhancing the development of well tool technologies.
Conclusion
David B. Needham's contributions to the field of well tool technology through his innovative patents and collaborations with industry professionals highlight his importance as an inventor. His work continues to influence the energy sector, ensuring safer and more efficient operations in well testing.