Topf, Jr.; Henry E.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Topf, Jr.; Henry E..The latest application filed is for "saturation systems and methods for pipeline and pressure vessel repair".
- Topf, Jr.; Henry E. - Wellsboro PA
- Topf, Jr.; Henry E. - Greencastle IN
- Topf, Jr.; Henry E. - Roachdale IN
| Patent | Date |
|---|---|
| Saturation systems and methods for pipeline and pressure vessel repair Grant 11,378,220 - Topf, Jr. July 5, 2 | 2022-07-05 |
| Saturation Systems And Methods For Pipeline And Pressure Vessel Repair App 20200386360 - Topf, Jr.; Henry E. | 2020-12-10 |
| System and method for pipe repair Grant 7,500,494 - Robinson , et al. March 10, 2 | 2009-03-10 |
| System and method for pipe repair Grant 7,387,138 - Rice , et al. June 17, 2 | 2008-06-17 |
| System and method for pipe repair Grant 7,367,362 - Rice , et al. May 6, 2 | 2008-05-06 |
| Pipeline repair system and method of installation Grant 7,165,579 - Borland , et al. January 23, 2 | 2007-01-23 |
| Internal conduit sealing installation Grant 6,692,039 - Topf, Jr. February 17, 2 | 2004-02-17 |
| Internal conduit sealing member and band Grant 6,435,566 - Topf, Jr. August 20, 2 | 2002-08-20 |
| Manhole seal molding apparatus Grant 5,431,553 - Topf, Jr. July 11, 1 | 1995-07-11 |
| Flow conduit for traversing a traffic way Grant 5,385,431 - Topf, Jr. January 31, 1 | 1995-01-31 |
| Manhole sealing apparatus and method Grant 5,201,600 - Topf, Jr. , et al. April 13, 1 | 1993-04-13 |
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