CIPO Patents = 1

Trademarks = 6

Forward Citations = 29

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6 inventors (with patents filed for the assignee):

James Derek Dorricott (3 out of 21 patents)

Lawrence John Heaslip (3 out of 21 patents)

Perry B Lassiter (2 out of 4 patents)

4. David J Messina (1 out of 1 patent)

5. Robert W Caffey (1 out of 1 patent)

6. Curtis L Knight (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 5379989 - Tundish with improved flow control (1995-01-10),

2. 5353567 - Insulation module assembly and apparatus for installation (1994-10-11),

3. 5268031 - Pumpable ceramic fiber composition (1993-12-07),

4. 5246209 - Tundish with improved flow control (1993-09-21),

5. 5196051 - Ladle and method for draining liquid metal with improved yield (1993-03-23),

6. 4929579 - Method of manufacturing cast fused silica articles (1990-05-29),

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Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

6 Patents

#19 in King of Prussia, PA

#1,592 in Pennsylvania

#43,752 in US

King of Prussia, PA, United States of America

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