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Patent applications and USPTO patent grants for Schroder; Ernst.The latest application filed is for "rotary furnace burner".
Patent | Date |
---|---|
Rotary furnace burner Grant 8,449,292 - Knoch , et al. May 28, 2 | 2013-05-28 |
Rotary furnace burner Grant 8,393,893 - Schroder , et al. March 12, 2 | 2013-03-12 |
Rotary Furnace Burner App 20100019063 - Schroder; Ernst ;   et al. | 2010-01-28 |
Rotary Furnace Burner App 20080213714 - Knoch; Alexander ;   et al. | 2008-09-04 |
Papermakers fabric having stacked machine direction yarns Grant 5,343,896 - Schroder , et al. September 6, 1 | 1994-09-06 |
Method for transmitting a signal Grant 5,321,729 - Schroder , et al. June 14, 1 | 1994-06-14 |
Method of transmitting an audio signal Grant 4,942,607 - Schroder , et al. July 17, 1 | 1990-07-17 |
Transmission system Grant 4,821,260 - Klank , et al. April 11, 1 | 1989-04-11 |
Circuit arrangement for generating a control voltage which is dependent upon an alternating voltage Grant 4,591,733 - Schroder May 27, 1 | 1986-05-27 |
Circuit for compression or expansion of an electrical signal Grant 4,353,035 - Schroder October 5, 1 | 1982-10-05 |
Circuit system for the generation of a direct control voltage depending upon an alternating voltage Grant 4,318,009 - Schroder March 2, 1 | 1982-03-02 |
Compander Grant 4,306,202 - Schroder December 15, 1 | 1981-12-15 |
Amplifier having a variable propagation constant Grant 4,270,103 - Schroder May 26, 1 | 1981-05-26 |
Device for optional dynamic compression or expansion Grant 4,181,896 - Schroder January 1, 1 | 1980-01-01 |
Amplifier with controllable transmission factor and switchable control characteristic Grant 4,099,134 - Schroder July 4, 1 | 1978-07-04 |
Amplifier with variable gain Grant 4,066,976 - Dickopp , et al. January 3, 1 | 1978-01-03 |
Amplifier with controllable transmission factor and switchable control characteristic Grant 4,034,308 - Wermuth , et al. July 5, 1 | 1977-07-05 |
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