Pohl; Fritz

Patent Applications and Registrations

Patent applications and USPTO patent grants for Pohl; Fritz.The latest application filed is for "method for expanding the adjustment range of overload protection devices, associated overload protection devices, and their use".

Company Profile

0.30.24

Pohl; Fritz - Brunsbuttel DE
Pohl; Fritz - Hemhofen DE
Pohl; Fritz - Brunsb uttel DE
Pohl; Fritz - Brunswick 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
Process for producing diamines and polyamines of the diphenylmethane series Grant 9,701,617 - Wershofen , et al. July 11, 2	2017-07-11
Process for the preparation of isocyanates in the gas phase Grant 9,365,503 - Biskup , et al. June 14, 2	2016-06-14
Process for the preparation of isocyanates in the gas phase Grant 9,024,057 - Biskup , et al. May 5, 2	2015-05-05
Process for the production of aromatic diisocyanates in the gas Grant 8,399,702 - Pohl , et al. March 19, 2	2013-03-19
Process for preparing methylenediphenyl diisocyanates Grant 8,318,971 - Pohl , et al. November 27, 2	2012-11-27
Method and device for operating a switching device Grant 8,159,807 - Pohl April 17, 2	2012-04-17
Method For Expanding The Adjustment Range of Overload Protection Devices, Associated Overload Protection Devices, and Their Use App 20110248815 - Feil; Wolfgang ; et al.	2011-10-13
Method and device for the secure operation of a switching device Grant 7,978,036 - Adunka , et al. July 12, 2	2011-07-12
Method and device for the secure operation of a switching device Grant 7,872,552 - Adunka , et al. January 18, 2	2011-01-18
Method and device for securely operating a switching device Grant 7,812,696 - Hartinger , et al. October 12, 2	2010-10-12
Method and device for the secure operation of a switching device Grant 7,760,055 - Adunka , et al. July 20, 2	2010-07-20
Method and Device for Operating a Switching Device App 20100165535 - Pohl; Fritz	2010-07-01
Process For The Preparation Of Isocyanates In The Gas Phase App 20100160674 - Biskup; Klaus ; et al.	2010-06-24
Process For The Preparation Of Isocyanates In The Gas Phase App 20100160673 - Bruns; Rainer ; et al.	2010-06-24
Process For The Preparation Of Isocyanates In The Gas Phase App 20100152484 - Biskup; Klaus ; et al.	2010-06-17
Method and device for the safe operation of a switching device Grant 7,692,522 - Hartinger , et al. April 6, 2	2010-04-06
Process for the preparation of isocyanates in the gas phase Grant 7,615,662 - Pohl , et al. November 10, 2	2009-11-10
Process For Producing Diamines And Polyamines Of The Diphenylmethane Series App 20090240077 - Wershofen; Stefan ; et al.	2009-09-24
Process For Preparing Methylenediphenyl Diisocyanates App 20090240076 - Pohl; Fritz ; et al.	2009-09-24
Process for the continuous preparation of isocyanates Grant 7,547,801 - Pohl , et al. June 16, 2	2009-06-16
Process for the production of aromatic discocyanates in the gas App 20090149672 - Pohl; Fritz ; et al.	2009-06-11
Process for the preparation of isocyanates in the gas phase Grant 7,541,487 - Pohl , et al. June 2, 2	2009-06-02
Process for preparing diamines and polyamines from the diphenylmethane series Grant 7,528,283 - Pohl , et al. May 5, 2	2009-05-05
Process for the preparation of toluenediamines by catalytic hydrogenation of dinitrotoluenes Grant 7,511,176 - Pohl , et al. March 31, 2	2009-03-31
Process for the production of dinitrotoluene Grant 7,495,136 - Pohl , et al. February 24, 2	2009-02-24
Process for the preparation of isocyanates in the gas phase App 20080167490 - Pohl; Fritz ; et al.	2008-07-10
Process for the preparation of isocyanates in the gas phase App 20080146834 - Pohl; Fritz ; et al.	2008-06-19
Process for the preparation of toluenediamines by catalytic hydrogenation of dinitrotoluenes App 20080146847 - Pohl; Fritz ; et al.	2008-06-19
Method and Device for the Secure Operation of a Switching Device App 20080129430 - Adunka; Robert ; et al.	2008-06-05
Method and Device for the Secure Operation of a Switching Device App 20080110732 - Adunka; Robert ; et al.	2008-05-15
Method and Device for Securely Operating a Switching Device App 20080094156 - Hartinger; Peter ; et al.	2008-04-24
Process for the production of dinitrotoluene App 20080086017 - Pohl; Fritz ; et al.	2008-04-10
Method and Device for the Secure Operation of a Switching Device App 20080036562 - Adunka; Robert ; et al.	2008-02-14
Method and Device for the Safe Operation of a Switching Device App 20080036561 - Hartinger; Peter ; et al.	2008-02-14
Process for the continuous preparation of isocyanates App 20070299279 - Pohl; Fritz ; et al.	2007-12-27
Process for the production of di- and polyamines of the diphenylmethane series Grant 7,312,362 - Keggenhoff , et al. December 25, 2	2007-12-25
Method for operating a switch with a connectable current limiter and corresponding arrangement Grant 7,259,944 - Branston , et al. August 21, 2	2007-08-21
Process for the preparation of polyamines of the diphenylmethane series at a low degree of protonation Grant 7,253,321 - Hagen , et al. August 7, 2	2007-08-07
Process for the production of di-and polyamines of the diphenylmethane series App 20070179317 - Keggenhoff; Berthold ; et al.	2007-08-02
Process for preparing diamines and polyamines from the diphenylmethane series App 20070179316 - Pohl; Fritz ; et al.	2007-08-02
Process for the preparation of polyamines of the diphenylmethane series at a low degree of protonation App 20060287555 - Hagen; Torsten ; et al.	2006-12-21
Method for operating a switch with a connectable current limiter and corresponding arrangement App 20040150932 - Branston, David Walter ; et al.	2004-08-05
Method for determining switchgear-specific data at contacts in switchgear and/or operation-specific data in a network connected to the switchgear and apparatus for carrying out the method Grant 6,313,636 - Pohl , et al. November 6, 2	2001-11-06
Method Of Establishing The Residual Useful Life Of Contacts In Switchgear And Associated Arrangement App 20010019268 - POHL, FRITZ ; et al.	2001-09-06
Device for short-circuit protection App 20010011650 - Pohl, Fritz	2001-08-09
Electromechanical switching device Grant 6,104,592 - Pohl August 15, 2	2000-08-15
Variable high-current resistor, especially for use as protective element in power switching applications & circuit making use of high-current resistor Grant 5,644,283 - Grosse-Wilde , et al. July 1, 1	1997-07-01
Continuous process for preparing aromatic amines Grant 5,563,296 - Zarnack , et al. October 8, 1	1996-10-08
Differential current protection circuit breaker Grant 4,860,146 - Pohl , et al. August 22, 1	1989-08-22
Process for the fluorination of polymers, and perfluorinated ion exchangers Grant 4,522,952 - Klein , et al. June 11, 1	1985-06-11

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