This inventor holds 3 USPTO granted patents. Top assignees: Richard H. Davey, Inc., The Coca-Cola Company, Other. Active years: 1995-2004.
Company Filing History:
1 out of 1 
1 out of 1,605 
1 out of 834,307 Years Active: 1995-2004
Title: The Innovative Contributions of Frederick R Handren
Introduction
Frederick R Handren is a notable inventor based in Arlington, VA (US). He has made significant contributions to the field of engineering through his innovative designs and patents. With a total of 3 patents, Handren has demonstrated a commitment to advancing technology and improving everyday products.
Latest Patents
One of Handren's latest patents is a dispensing pump with a deformable pump wall and positive shut-off. This container-mounted dispensing pump features an elastically deformable pump wall and elastomeric valves that control the flow into and from the pump chamber. A mechanism at the movable end of the pump wall engages the outlet valve to ensure positive closure when the actuator is in an extended shipping position. This design prevents leakage of the container's contents while the pump is not in use.
Another significant invention by Handren is an apparatus for crushing containers. This device is particularly useful for plastic beverage containers and employs a stationary presser member along with a movable presser member. The design includes links that constrain the movable presser member's movement along an arcuate path, allowing for efficient crushing of containers. The confronting surfaces of the presser members are equipped with elastomeric material to grip the container's sidewalls effectively.
Career Highlights
Throughout his career, Handren has worked with various companies, including Richard H. Davey, Inc. His experience in the industry has allowed him to refine his skills and contribute to innovative projects that address practical challenges.
Collaborations
Handren has collaborated with notable individuals such as Robert E Hazard and Jonathan Kirschner. These partnerships have likely enriched his work and led to the development of impactful inventions.
Conclusion
Frederick R Handren's contributions to innovation through his patents and collaborations highlight his role as a significant figure in engineering. His work continues to influence the design and functionality of everyday products, showcasing the importance of creativity and problem-solving in technology.