Arnoldt; Peter J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Arnoldt; Peter J..The latest application filed is for "apparatus for connecting the ends of a pair of oval duct sections".
- Arnoldt; Peter J. - Clairton PA
- Arnoldt; Peter J. - Puce CA
| Patent | Date |
|---|---|
| Apparatus for connecting the ends of a pair of oval duct sections Grant 5,129,690 - Meinig , et al. July 14, 1 | 1992-07-14 |
| Flange type duct connector Grant 5,054,823 - Arnoldt October 8, 1 | 1991-10-08 |
| Flange type duct joint assembly and seal arrangement therefor Grant 5,022,688 - Arnoldt June 11, 1 | 1991-06-11 |
| Duct connector Grant 5,015,018 - Arnoldt * May 14, 1 | 1991-05-14 |
| Duct connector for a circular duct Grant 4,881,762 - Arnoldt * November 21, 1 | 1989-11-21 |
| Flange type duct joint assembly and seal arrangement therefor Grant 4,662,661 - Arnoldt May 5, 1 | 1987-05-05 |
| Duct joint frame Grant 4,566,724 - Arnoldt , et al. January 28, 1 | 1986-01-28 |
| Duct joint assembly Grant 4,509,778 - Arnoldt April 9, 1 | 1985-04-09 |
| Flange type duct joint assembly and seal arrangement therefor Grant 4,508,376 - Arnoldt April 2, 1 | 1985-04-02 |
| Method for positioning and securing components of a workpiece Grant 4,352,003 - Arnoldt September 28, 1 | 1982-09-28 |
| Flange type duct joint assembly Grant 4,218,079 - Arnoldt August 19, 1 | 1980-08-19 |
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