John K Madish

This inventor holds 13 USPTO granted patents and 1 published patent application, plus 5 CIPO patents and 3 EPO patents. Top assignees: Nova Chemicals Inc., Metromont Corporation. Active years: 2010-2012.

USPTO Granted Patents = 13 (Patent Applications = 1)

% Patents Active = 84.6

CIPO Patents = 5

EPO Patents = 3 (Patent Applications = 1)

Average Co-Inventor Count = 7.1

ph-index = 10

Forward Citations = 206(Granted Patents)

Location History:

Negley, OH (US) (2010 - 2011)
Beaver Falls, PA (US) (2010 - 2012)
New Brighton, PA (US) (2012)

Company Filing History:

Metromont Corporation

patents

where one patent can have more than one assignee

Years Active: 2010-2012

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13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8167998 - Lightweight concrete compositions (2012-05-01),

2. RE43253 - Lightweight concrete compositions (2012-03-19),

3. 8048219 - Method of placing concrete (2011-11-01),

4. 8029617 - Lightweight concrete compositions (2011-10-04),

5. 7964272 - Lightweight compositions and articles containing such (2011-06-21),

6. 7820094 - Lightweight concrete compositions (2010-10-26),

7. 7790302 - Lightweight compositions and articles containing such (2010-09-07),

8. 7744692 - Lightweight concrete compositions (2010-06-29),

9. 7699929 - Lightweight concrete compositions (2010-04-20),

10. 7666258 - Lightweight compositions and articles containing such (2010-02-23),

11. 7658797 - Lightweight concrete compositions (2010-02-09),

12. 7648574 - Lightweight concrete compositions (2010-01-19),

13. 7644548 - Lightweight concrete compositions (2010-01-12),

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.