Company Filing History:
1 out of 1,209 
3 out of 832,961 Years Active: 2003-2007
Title: David Moore Tumlin: Innovator in Gamma Ray Logging and Structural Testing
Introduction
David Moore Tumlin is a notable inventor based in Breaux Bridge, Louisiana. He has made significant contributions to the fields of gamma ray logging and structural testing, holding a total of 4 patents. His innovative approaches have enhanced the efficiency and safety of various operations in these industries.
Latest Patents
One of Tumlin's latest patents is for a "Natural gamma ray logging sub method and apparatus." This invention involves a natural gamma tag marking materials for sub or permanent markers used in gamma logging operations. The materials utilized have a gamma count ranging between 200 and 1000 counts per second. The invention also discloses a typical sub for insertion in drilling operations, which employs non-hazardous natural gamma element compounds as effective tag markers during wire-line logging operations.
Another significant patent is the "Method and apparatus for testing the structural integrity of offshore lifting containers." This apparatus and method facilitate load testing of lifting containers and their related cable slings. It employs a hydraulic jacking arrangement located within the container itself, allowing for equalized stress loading under various conditions. The design is portable and expandable, accommodating different container sizes while applying isometric loading without lifting the container off the deck.
Career Highlights
Throughout his career, Tumlin has worked with various companies, including Weatherford/Lamb, Inc. His experience in these organizations has contributed to his expertise in developing innovative solutions for complex engineering challenges.
Collaborations
Tumlin has collaborated with notable individuals in his field, including Gene K Fugatt, Sr. and David Graham Hosie. These partnerships have likely fostered a creative environment that has led to the development of his patents.
Conclusion
David Moore Tumlin's contributions to innovation in gamma ray logging and structural testing demonstrate his commitment to advancing technology in these fields. His patents reflect a deep understanding of engineering principles and a dedication to safety and efficiency.