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Patent applications and USPTO patent grants for Schiefer; Erwin.The latest application filed is for "device for cleaning a heat exchanger".
Patent | Date |
---|---|
Device For Cleaning A Heat Exchanger App 20130168044 - Schiefer; Erwin | 2013-07-04 |
Reactor, And Method For The Gasification Of Biomass App 20130129569 - Schiefer; Erwin | 2013-05-23 |
Anchor rod for composite anchors Grant 5,735,653 - Schiefer , et al. April 7, 1 | 1998-04-07 |
Expansion dowel with friction reducing coating Grant 5,176,481 - Schiefer January 5, 1 | 1993-01-05 |
Expansion anchor assembly Grant 4,482,277 - Schiefer November 13, 1 | 1984-11-13 |
Anchor bolt assembly Grant 4,474,516 - Schiefer October 2, 1 | 1984-10-02 |
Sealing member for a device for melting solid adhesive material Grant 4,314,655 - Leibhard , et al. February 9, 1 | 1982-02-09 |
Clamping member for an adhesively secured anchor rod Grant 4,193,246 - Schiefer , et al. March 18, 1 | 1980-03-18 |
Pipe and cable clip Grant 4,119,285 - Bisping , et al. October 10, 1 | 1978-10-10 |
Pipe clamp Grant 4,118,838 - Schiefer , et al. October 10, 1 | 1978-10-10 |
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