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Jan Peter Ortwig
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Bowen Island, CA
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Patents Grants
last 30 patents
Information
Patent Grant
Method of and apparatus for changing a shape of a gliding surface o...
Patent number
11,065,529
Issue date
Jul 20, 2021
Jan Peter Ortwig
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Grant
Coupleable fin apparatuses and boot toe bodies
Patent number
10,675,508
Issue date
Jun 9, 2020
Cetatek Holdings Inc.
Jan Peter Ortwig
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Flippers, boots, systems including same, and methods of using same
Patent number
10,112,079
Issue date
Oct 30, 2018
Cetatek Holdings Inc.
Jan Peter Ortwig
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Grant
Flippers, boots, systems including same, and methods of using same
Patent number
9,737,762
Issue date
Aug 22, 2017
Cetatek Holdings Inc.
Jan Peter Ortwig
A43 - FOOTWEAR
Information
Patent Grant
Boot sole system and fin for same
Patent number
9,440,114
Issue date
Sep 13, 2016
Cetatek Holdings Inc.
Jan Peter Ortwig
A43 - FOOTWEAR
Information
Patent Grant
Flippers, boots, systems including same, and methods of using same
Patent number
8,641,464
Issue date
Feb 4, 2014
Cetatek Holdings Inc.
Jan Peter Ortwig
A43 - FOOTWEAR
Patents Applications
last 30 patents
Information
Patent Application
COUPLEABLE FIN APPARATUSES AND BOOT TOE BODIES
Publication number
20210023419
Publication date
Jan 28, 2021
Hiebler Sports GmbH
Jan Peter Ortwig
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Application
METHOD OF AND APPARATUS FOR CHANGING A SHAPE OF A GLIDING SURFACE O...
Publication number
20190126129
Publication date
May 2, 2019
Jan Peter Ortwig
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Application
COUPLEABLE FIN APPARATUSES AND BOOT TOE BODIES
Publication number
20180133555
Publication date
May 17, 2018
Cetatek Holdings Inc.
Jan Peter Ortwig
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Application
FLIPPERS, BOOTS, SYSTEMS INCLUDING SAME, AND METHODS OF USING SAME
Publication number
20180015330
Publication date
Jan 18, 2018
Cetatek Holdings Inc.
Jan Peter Ortwig
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Application
BOOT SOLE SYSTEM AND FIN FOR SAME
Publication number
20150231449
Publication date
Aug 20, 2015
CETATEK HOLDINGS INC.
Jan Peter Ortwig
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Application
FLIPPERS, BOOTS, SYSTEMS INCLUDING SAME, AND METHODS OF USING SAME
Publication number
20140206247
Publication date
Jul 24, 2014
CETATEK HOLDINGS INC.
Jan Peter Ortwig
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Application
FLIPPERS, BOOTS, SYSTEMS INCLUDING SAME, AND METHODS OF USING SAME
Publication number
20130059492
Publication date
Mar 7, 2013
CETATEK HOLDINGS INC.
Jan Peter Ortwig
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT