Location History:
- Pierrefonds, CA (1982 - 1984)
- Middletown, OH (US) (1983 - 1988)
Company Filing History:
7 out of 120 
3 out of 3,192 
Years Active: 1982-1988
Title: Innovations of Larry D Markham
Introduction
Larry D Markham is a notable inventor based in Middletown, OH (US), recognized for his contributions to the field of pulp and paper technology. He holds a total of seven patents, showcasing his innovative spirit and technical expertise.
Latest Patents
Among his latest patents is the "Apparatus and method for thickening pulp and paper stock." This invention employs a unique design featuring a single pair of liquid-impervious rolls and a loop of wire, which effectively thickens pulp material by utilizing centrifugal forces. Another significant patent is the "Disk rotor for selectifier screen," which enhances the efficiency of screening apparatus in paper-making processes. This invention includes a cylindrical perforated screen member and a rotor characterized by a circular disk with vanes, optimizing the separation of stock.
Career Highlights
Throughout his career, Larry has worked with prominent companies such as the Black Clawson Company and Air Products and Chemicals, Inc. His experience in these organizations has contributed to his development as an inventor and innovator in the industry.
Collaborations
Larry has collaborated with notable coworkers, including Vincent L Magnotta and Edward F Elton, who have likely influenced his work and innovations.
Conclusion
Larry D Markham's contributions to the pulp and paper industry through his patents and career achievements highlight his role as a significant inventor. His innovative designs continue to impact the field positively.