Location History:
- Saint Paul, MN (US) (1980)
- Yorba Linda, CA (US) (1999 - 2005)
Company Filing History:
1 out of 1 
1 out of 8 
4 out of 832,812 Years Active: 1980-2005
Title: Innovations by Donald H Siiter
Introduction
Donald H Siiter is an accomplished inventor based in Yorba Linda, CA. He holds a total of 6 patents that showcase his innovative contributions to the field of air conditioning and duct work. His work emphasizes practical solutions that enhance the efficiency and functionality of air systems.
Latest Patents
Among his latest patents, Siiter has developed plugs for use in conduits to reinforce air conditioning ducts. This invention includes a method and apparatus for reinforcing duct work, featuring a conduit with a pair of plugs that can be crimped inside the conduit. Each plug is designed with grooves and may include a threaded end for secure attachment to duct work. Another notable patent involves the apparatus for making self-gripping air turning vanes. This method utilizes a double plate airfoil vane stock to create vanes that can self-grip between rails, enhancing the assembly process for air turning vanes.
Career Highlights
Throughout his career, Siiter has worked with various companies, including Eco Products, Inc., a California Corporation. His innovative spirit and technical expertise have allowed him to make significant advancements in air conditioning technology.
Collaborations
Siiter has collaborated with notable individuals in his field, including his coworker Stanley J Ellis. Their combined efforts have contributed to the development of practical solutions in air management systems.
Conclusion
Donald H Siiter's contributions to the field of air conditioning and duct work through his patents reflect his dedication to innovation and practical engineering solutions. His work continues to influence the industry and improve air management systems.