G04B 1/26

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9978548 Liquid filled bellows activated switch and voltage source made therefrom, timepieces and methods related theretoOct 03, 14May 22, 18Preciflex SA
9703261 Low volume precision bellowsDec 10, 12Jul 11, 17PRECIFLEX SA
9494920 Fluid indicatorNov 19, 13Nov 15, 16PRECIFLEX SA
8995237 Fluid indicatorAug 20, 10Mar 31, 15PRECIFLEX SA
8593911 Fluid indicating wristwatchMar 16, 12Nov 26, 13PRECIFLEX SA
7616528 Linear fluid timepieceDec 14, 05Nov 10, 09Not available
7505372 Electronically controlled water clock that includes visual displays for the passage of hours, minutes and secondsMar 10, 06Mar 17, 09Not available
7245561 Water featureJan 28, 02Jul 17, 07Not available
5850373 Transmission mechanism for a magnet-bearing ornamentAug 11, 97Dec 15, 98Not available
5272681 Dynamic fluid clockApr 16, 93Dec 21, 93Not available
4469447 Submerged ornamental clock operated by air bubblesMar 04, 83Sep 04, 84Not available
4455094 Motion apparatusJan 13, 82Jun 19, 84Not available
4447161 Pneumatic timerMay 06, 82May 08, 84Not available
4436434 Pneumatic timerJul 26, 82Mar 13, 84Not available
4421417 Fluid delivery monitorSep 19, 80Dec 20, 83Not available
4372688 Liquid operated clockFeb 22, 82Feb 08, 83Not available
4315327 Air operated clockJul 29, 80Feb 09, 82BREMER, ALLEN L., BREMER, CHARLES, BREMER, GARY,
4280208 Electronic timepieceJul 24, 78Jul 21, 81CITIZEN WATCH CO., LTD.
4262348 Liquid operated clockJul 16, 79Apr 14, 81Not available
4262349 System for signalling the termination of the lifetime of a battery for electronic timepiecesDec 04, 78Apr 14, 81CITIZEN WATCH CO., LTD.