Growing community of inventors

Louisville, KY, United States of America

Daniel D Sympson

Average Co-Inventor Count = 2.36

ph-index = 4

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 82

Daniel D SympsonClifford L Johns (14 patents)Daniel D SympsonAugust M Dattilo, Iii (4 patents)Daniel D SympsonMunaf Chasmawala (3 patents)Daniel D SympsonManfred W Schmidt (3 patents)Daniel D SympsonManfred Schmidt (0 patent)Daniel D SympsonMunaf Najmuddin Chasmawala (0 patent)Daniel D SympsonAugust M Dattilo Iii (0 patent)Daniel D SympsonDaniel D Sympson (14 patents)Clifford L JohnsClifford L Johns (42 patents)August M Dattilo, IiiAugust M Dattilo, Iii (5 patents)Munaf ChasmawalaMunaf Chasmawala (12 patents)Manfred W SchmidtManfred W Schmidt (12 patents)Manfred SchmidtManfred Schmidt (0 patent)Munaf Najmuddin ChasmawalaMunaf Najmuddin Chasmawala (0 patent)August M Dattilo IiiAugust M Dattilo Iii (0 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Tubemaster, Inc. (12 from 23 patents)

2. Extundo Incorporated (2 from 17 patents)


14 patents:

1. 9500631 - Device for testing vertical tubes in a chemical reactor

2. 8753452 - Method for treating vertical tubes in a chemical reactor

3. 7913543 - Method of using a device for measuring the back pressure in chemical reactor tubes

4. 7878225 - Vacuum attachment and method

5. 7861875 - Seal for tube

6. 7836919 - Device for loading chemical reactor tubes

7. 7818995 - Device for measuring back pressure in open-ended chemical reactor tubes

8. 7748255 - Method for assessing chemical reactor tubes

9. 7673496 - Device for measuring back pressure in chemical reactor tubes

10. 7458401 - Method for loading reactor tubes

11. 7285251 - Tool for loading reactor tubes

12. D539441 - Tile surface

13. 6981404 - Device and method for use with chemical reactor tubes

14. 6725706 - Device and method for blowing down and measuring the back pressure of chemical reactor tubes

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