Location History:
- Negley, OH (US) (2010 - 2011)
- Beaver Falls, PA (US) (2010 - 2012)
- New Brighton, PA (US) (2012)
Company Filing History:
13 out of 64 
1 out of 2 Years Active: 2010-2012
Title: Innovations by John K Madish
Introduction
John K Madish is a notable inventor based in Negley, Ohio, who has made significant contributions to the field of concrete technology. With a total of 13 patents to his name, he has developed innovative lightweight concrete compositions that have practical applications in construction.
Latest Patents
Among his latest patents, Madish has created a lightweight ready-mix concrete composition that includes 8-20 volume percent cement, 11-50 volume percent sand, 10-31 volume percent prepuff particles, 9-40 volume percent coarse aggregate, and 10-22 volume percent water. The sum of these components does not exceed 100 volume percent. The prepuff particles have an average diameter ranging from 0.2 mm to 8 mm, a bulk density between 0.02 g/cc and 0.64 g/cc, and an aspect ratio of 1 to 3. The composition achieves a slump value of 2 to 8 inches as measured according to ASTM C 143. After setting for 28 days, it exhibits a compressive strength of at least 1400 psi, tested according to ASTM C39. Another patent involves a lightweight concrete composition containing 10 to 90 volume percent of a cement composition and particles with similar specifications, achieving a compressive strength of at least 1700 psi after seven days.
Career Highlights
Throughout his career, John K Madish has worked with prominent companies such as Nova Chemicals Inc. and Metromont Corporation. His expertise in concrete technology has allowed him to contribute to various innovative projects and advancements in the industry.
Collaborations
Madish has collaborated with talented individuals like Michael T Williams and Tricia Guevara, enhancing his work through shared knowledge and expertise.
Conclusion
John K Madish's contributions to lightweight concrete technology demonstrate his innovative spirit and commitment to advancing construction materials. His patents reflect a deep understanding of material science and engineering, making him a significant figure in the 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.