Company Filing History:
2 out of 268 
1 out of 14 
1 out of 36 Years Active: 1990-2001
Title: Innovations of Eugene R Appal
Introduction
Eugene R Appal is a notable inventor based in Florissant, MO (US). He holds a total of 4 patents that showcase his contributions to the field of mechanical engineering, particularly in the development of advanced pipetting technologies.
Latest Patents
One of his latest inventions is the electronically monitored mechanical pipette. This innovative device features a microswitch in its volume delivery adjustment mechanism. The microswitch signals the electrical volume monitoring system when adjustments are made to the fluid volume delivery setting. This design allows the pipette to operate in a low power mode during normal use while switching to a high power consumption mode during adjustments. Another significant invention is the detachable pipette barrel. This barrel assembly retains all internal elements in proper operating position even when detached from the pipette. It can be easily removed for cleaning, such as autoclaving, without exposing the electrical components of the pipette to the cleaning process.
Career Highlights
Eugene has worked with several companies throughout his career, including Sherwood Services AG and Tyco Group S.a.r.l. His experience in these organizations has contributed to his expertise in the field of mechanical devices and innovations.
Collaborations
Eugene has collaborated with notable individuals such as Paul George Conley and Michael A Beiser. These partnerships have likely enriched his work and led to further advancements in his inventions.
Conclusion
Eugene R Appal's contributions to the field of mechanical engineering, particularly through his patented inventions, demonstrate his innovative spirit and commitment to improving technology. His work continues to influence the design and functionality of pipetting devices in various applications.