Kiefer; Randolf

Patent Applications and Registrations

Patent applications and USPTO patent grants for Kiefer; Randolf.The latest application filed is for "method for mounting oxygen-consuming electrodes in electrochemical cells and electrochemical cells".

Company Profile

0.21.23

Kiefer; Randolf - Marl DE
Kiefer; Randolf - Gelsenkirchen N/A DE
Kiefer; Randolf - Bochum 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
Method for mounting oxygen-consuming electrodes in electrochemical cells and electrochemical cells Grant 11,136,677 - Bulan , et al. October 5, 2	2021-10-05
Method for safely and economically operating an electrolyser Grant 9,933,492 - Kiefer , et al. April 3, 2	2018-04-03
Method For Mounting Oxygen-consuming Electrodes In Electrochemical Cells And Electrochemical Cells App 20170088961 - BULAN; Andreas ; et al.	2017-03-30
Alternative installation of a gas diffusion electrode in an electrochemical cell having percolator technology Grant 9,562,294 - Woltering , et al. February 7, 2	2017-02-07
Electrochemical cell having a frame seal for alternative sealing against marginal leakages of the electrolyte Grant 9,476,131 - Kiefer , et al. October 25, 2	2016-10-25
Electrolyser with coiled inlet hose Grant 9,045,837 - Woltering , et al. June 2, 2	2015-06-02
Method For Safely And Economically Operating An Electrolyser App 20150127279 - Kiefer; Randolf ; et al.	2015-05-07
Electrolysis cell Grant 8,945,358 - Woltering , et al. February 3, 2	2015-02-03
Alternative Installation Of A Gas Diffusion Electrode In An Electrochemical Cell Having Percolator Technology App 20140093810 - Woltering; Peter ; et al.	2014-04-03
Electrochemical Cell Having A Frame Seal For Alternative Sealing Against Marginal Leakages Of The Electrolyte App 20140093811 - Kiefer; Randolf ; et al.	2014-04-03
Method For Mounting Oxygen-consuming Electrodes In Electrochemical Cells And Electrochemical Cells App 20140014527 - Bulan; Andreas ; et al.	2014-01-16
Electrolyser With Coiled Inlet Hose App 20130256151 - Woltering; Peter ; et al.	2013-10-03
Device for electrochemical water preparation Grant 8,444,833 - Kiefer , et al. May 21, 2	2013-05-21
Method for the production of nickel oxide surfaces having increase conductivity Grant 8,057,713 - Beckmann , et al. November 15, 2	2011-11-15
Electrolysis cell Grant 7,938,938 - Beckmann , et al. May 10, 2	2011-05-10
Micro-structured insulating frame for electrolysis cell Grant 7,918,974 - Baumer , et al. April 5, 2	2011-04-05
Electrolysis cell with enlarged active membrane surface Grant 7,901,548 - Beckmann , et al. March 8, 2	2011-03-08
Device for electrochemical water preparation App 20100294653 - Kiefer; Randolf ; et al.	2010-11-25
Electrode for electrolytic cell Grant 7,785,453 - Dulle , et al. August 31, 2	2010-08-31
Electrolytic cell with segmented and monolithic electrode design Grant 7,780,822 - Beckmann , et al. August 24, 2	2010-08-24
Method And Device For Coating Substrates App 20100092692 - Dulle; Karl-Heinz ; et al.	2010-04-15
Electrolysis cell App 20090236220 - Woltering; Peter ; et al.	2009-09-24
Micro-Structured Insulating Frame for Electrolysis Cell App 20090159435 - Baumer; Ulf ; et al.	2009-06-25
Silver Gas Diffusion Electrode for Use in Air Containing Co2, and Method for the Production Thereof App 20080292944 - Beckmann; Roland ; et al.	2008-11-27
Method For The Production Of Nickel Oxide Surfaces Having Increase Conductivity App 20080280204 - Beckmann; Roland ; et al.	2008-11-13
Electrolysis Cell with Enlarged Active Membrane Surface App 20080245661 - Beckmann; Roland ; et al.	2008-10-09
Electrode for Electrolytic Cell App 20080116081 - Dulle; Karl Heinz ; et al.	2008-05-22
Electrolytic Cell With Segmented and Monolithic Electrode Design App 20080093214 - Beckmann; Roland ; et al.	2008-04-24
Electrolytic cell comprising an interior trough Grant 7,351,317 - Dulle , et al. April 1, 2	2008-04-01
Electrolysis Cell App 20070240978 - Beckmann; Roland ; et al.	2007-10-18
Method for producing gas diffusion electrodes Grant 7,226,885 - Janowitz , et al. June 5, 2	2007-06-05
Electrolytic cell comprising an interior trough App 20060006062 - Dulle; Karl-Heinz ; et al.	2006-01-12
Method for producing gas diffusion electrodes App 20040152588 - Janowitz, Kosmas ; et al.	2004-08-05

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