Gelhard; Egon

Patent Applications and Registrations

Patent applications and USPTO patent grants for Gelhard; Egon.The latest application filed is for "device for the contactless coupling of the control and output currents between the electronic elements on the locking cylinder and the electronic elements in the key of an electro/mechanical locking device".

Company Profile

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Gelhard; Egon - D-5352 Zulpich-Durscheven DE
Gelhard; Egon - 5352 Zulpich-Durscheven DE
Gelhard; Egon - D-5000 Koln 51 DE
Gelhard; Egon - D-5000 Koln 51 DE
Gelhard; Egon - Cologne DE
Gelhard; Egon - 5 Cologne 51 DT

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Device for the contactless coupling of the control and output currents between the electronic elements on the locking cylinder and the electronic elements in the key of an electro/mechanical locking device Grant 4,663,952 - Gelhard May 12, 1	1987-05-12
Bicycle, in particular with an electromotor Grant 4,541,500 - Gelhard September 17, 1	1985-09-17
Method and apparatus for measuring a distance using ultrasonic echo signals, particularly for use on a motor vehicle Grant 4,500,977 - Gelhard February 19, 1	1985-02-19
Cylinder lock with key for mechanical and/or electromechanical locking Grant 4,458,512 - Gelhard July 10, 1	1984-07-10
Sensor for distance measurement by ultrasound Grant 4,437,032 - Gelhard March 13, 1	1984-03-13
Cylinder lock and key assembly Grant 4,393,672 - Gelhard July 19, 1	1983-07-19
Electrically and manually operable locking mechanism and drive arrangement for the same Grant 4,290,634 - Gelhard September 22, 1	1981-09-22
Electrically energized operating mechanism for the door of a vehicle and the like, and drive arrangement for the mechanism Grant 4,269,440 - Gelhard May 26, 1	1981-05-26
Transportation System For Hostile Environments Grant 3,861,319 - Gelhard , et al. January 21, 1	1975-01-21
Transportation System Particularly Useful In Hostile Environments Grant 3,776,141 - Gelhard , et al. December 4, 1	1973-12-04

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