Location History:
- Tonawanda, NY (US) (2001 - 2003)
- Bethlehem, CT (US) (2008)
Company Filing History:
2 out of 1,444 
1 out of 42 Years Active: 2001-2008
Title: John Derrick Sirman: Innovator in Fluid Heating and Oxygen Separation
Introduction
John Derrick Sirman is an accomplished inventor based in Tonawanda, NY (US). He holds a total of 3 patents that showcase his expertise in fluid heating methods and oxygen separation technologies. His innovative approaches have contributed significantly to advancements in these fields.
Latest Patents
One of Sirman's latest patents is a fluid heating method that utilizes a process heater with multiple combustion zones. This method divides the combustion of fuel between first and second combustion zones, optimizing the use of oxygen transport membranes. The design allows for a reduction in the surface area of these membranes while ensuring complete combustion of the fuel, resulting in a flue gas stream with controlled oxygen levels.
Another notable patent is for a ceramic membrane structure and method for separating oxygen from an oxygen-containing feed at elevated temperatures. This invention features a dense layer made of mixed conducting material and one or more active porous layers. The unique composition of these layers enhances the efficiency of oxygen ion conduction, making it a significant advancement in oxygen separation technology.
Career Highlights
Throughout his career, John Derrick Sirman has worked with prominent companies such as Praxair Technology, Inc. and Normalair-Garrett (Holdings) Limited. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking innovations in his field.
Collaborations
Sirman has collaborated with notable professionals, including Robert John Phillips and Adrian Simons. These partnerships have fostered a creative environment that has led to the development of his innovative patents.
Conclusion
John Derrick Sirman is a distinguished inventor whose work in fluid heating and oxygen separation has made a lasting impact on the industry. His patents reflect a commitment to innovation and efficiency, positioning him as a key figure in his field.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.