G04B 1/22

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9671754 Barrel with substantially constant torqueMar 02, 16Jun 06, 17Glashütter Uhrenbetrieb GmbH
9588492 Timepiece movement and timepiece including such a movementSep 08, 14Mar 07, 17GFPI S.A.
9568887 Operation stabilizing mechanism, movement, and mechanical timepieceMar 02, 16Feb 14, 17SEIKO INSTRUMENTS INC.
9535404 Method for adapting a timepiece movement provided to operate in ambient atmospheric pressure so as to operate in a low-pressure atmosphereDec 04, 12Jan 03, 17CARTIER INTERNATIONAL AG
9164486 Operation stabilization mechanism, movement, and mechanical timepieceAug 28, 14Oct 20, 15SEIKO INSTRUMENTS INC.
9052693 Constant force device, movement and mechanical timepieceAug 28, 14Jun 09, 15SEIKO INSTRUMENTS INC.
8974112 Barrel including an additional elastic means of accumulating energyMay 02, 12Mar 10, 15Nivarox-FAR S.A.
8956042 Timepiece movement with power reserve for extended operationAug 22, 13Feb 17, 15AUDEMARS PIGUET (RENAUD ET PAPI) SA
8672535 Spiral-spring balance wheel regulating memberSep 29, 11Mar 18, 14ROLEX SA