Company Filing History:
2 out of 11 
11 out of 832,880 Years Active: 1976-1992
Title: Walter D. Haentjens: Innovator in Pump Technology
Introduction
Walter D. Haentjens is a notable inventor based in Sugarloaf, PA (US), recognized for his contributions to pump technology. With a total of 13 patents to his name, he has made significant advancements in the field, particularly in the design and efficiency of centrifugal pumps.
Latest Patents
Among his latest innovations is the "Vertical axis cantilevered pump provided with a stabilizing by-pass flow." This invention features a vertical-axis cantilevered-shaft centrifugal pump that includes an impeller within a pump casing. The design allows for a stable fluid flow from the supply through the casing, with a portion of the fluid being diverted back to the supply through multiple outlets. This innovative approach enhances the pump's efficiency and control.
Another significant patent is the "Heat dissipating coupling for rotary shafts." This invention secures two shaft sections for co-rotation while inhibiting heat transfer between them. The coupling includes air ducts that facilitate heat dissipation, ensuring optimal performance during operation. This design can be adapted to supply air through a hollow shaft or via inlet holes in the coupling itself.
Career Highlights
Walter D. Haentjens has worked with various companies throughout his career, including Barrett, Haentjens & Co. His experience in the industry has allowed him to develop and refine his innovative ideas, leading to the successful patenting of his inventions.
Collaborations
Throughout his career, Haentjens has collaborated with notable individuals such as Thomas E. Stirling and Donald M. Stearns. These partnerships have contributed to the development and success of his inventions.
Conclusion
Walter D. Haentjens stands out as a significant figure in the field of pump technology, with a strong portfolio of patents that reflect his innovative spirit and dedication to improving efficiency in fluid dynamics. His work continues to influence the industry and inspire future inventors.