Dickhoff; Rolf

Patent Applications and Registrations

Patent applications and USPTO patent grants for Dickhoff; Rolf.The latest application filed is for "safety controller having a removable data storage medium".

Company Profile

0.6.5

Dickhoff; Rolf - Kirchheim DE
Dickhoff; Rolf - Kirchhelm DE
Dickhoff; Rolf - Kirchheim/Teck DE

*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
Safety switching apparatus Grant 8,212,431 - Nitsche , et al. July 3, 2	2012-07-03
Safety Controller Having A Removable Data Storage Medium App 20110208327 - DICKHOFF; Rolf ; et al.	2011-08-25
Safety Switching Apparatus App 20110133574 - NITSCHE; Thomas ; et al.	2011-06-09
Safety switching apparatus Grant 7,948,121 - Nitsche , et al. May 24, 2	2011-05-24
Holder for a memory card Grant D632,694 - Dickhoff , et al. February 15, 2	2011-02-15
Safety Switching Apparatus App 20090073628 - NITSCHE; Thomas ; et al.	2009-03-19
Safety switching device for safely switching off an electrical load Grant 6,809,911 - Dickhoff , et al. October 26, 2	2004-10-26
System for reliable prevention of the restarting of a machine Grant 6,777,830 - Anderson , et al. August 17, 2	2004-08-17
Safety switching device for safely switching off an electrical load App 20030137788 - Dickhoff, Rolf ; et al.	2003-07-24
Safety switching device for connection and safe disconnection of an electrical load, in particular an electrically driven machine Grant 6,570,272 - Dickhoff May 27, 2	2003-05-27
Safety switching device for connection and safe disconnection of an electrical load, in particular an electrically driven machine App 20020130557 - Dickhoff, Rolf	2002-09-19

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