Patents

Showing 121-140 of 285 items.
TitleNo.DateSummaryTypeCategoryCompanyInventorIn UseCountry
 
Clock CaseDes. 819751930-09-09Clock CaseCase for the La Salle (Dura Case) 61-GDesignClock CaseAssignee: Dura Company;
User: Westclox
Graff, GeorgeUnited States
Timepiece DialDes. 831031931-01-20Timepiece DialDial of the same shape at the Dura Case 61-G, but with a different pattern than used in production.DesignClock DialAssignee: Dura CompanyGraff, GeorgeUnited States
Timepiece DialDes. 831041931-01-20Timepiece DialDial of the same shape at the Dura Case 61-H and 61-J, but with a different pattern than used in pro . . . DesignClock DialAssignee: Dura CompanyGraff, GeorgeUnited States
Clock CaseDes. 848901931-08-18Clock CaseCase for the La Salle (Dura Case) 61-JDesignClock CaseAssignee: Dura Company;
User: Westclox
Graff, GeorgeUnited States
Motor 15251791925-02-03MotorPeriodic electrical winding mechanismUtilityDC Electric Clock,
Automobile Clock
User: WestcloxGreenleaf, WilliamUnited States
Power-Controlling Mechanism for Time Pieces 17968901931-03-17Power-Controlling Mechanism for Time PiecesElectromagnet assembly for a DC operated clockUtilityDC Electric Clock,
Automobile Clock
Assignee: Western Clock Company (the second one, 1912 - 1936);
User: Westclox
Greenleaf, WilliamUnited States
Clock Setting Mechanism 18485621932-03-08Clock Setting MechanismSetting stem is spring loaded to disengage when not setting the clockUtilityAutomobile Clock,
Clock Hand Setting Mechanism
Assignee: Western Clock Company (the second one, 1912 - 1936)Greenleaf, WilliamUnited States
Clock Mechanism 18749671932-08-30Clock MechanismA clock comprising a power unit and timepiece unit, secured together by clips.UtilityDC Electric Clock,
Automobile Clock
Assignee: Western Clock Company (the second one, 1912 - 1936)Greenleaf, WilliamUnited States
Electric Clock 18959231933-01-31Electric ClockDC operated winding mechanism with auxiliary mainspring.UtilityDC Electric Clock,
Automobile Clock
Assignee: Western Clock Company (the second one, 1912 - 1936)Greenleaf, WilliamUnited States
Bearing 19077921933-05-09BearingRugged bearing for balance staff using stationary ball bearings.UtilityClock TechnologyAssignee: Western Clock Company (the second one, 1912 - 1936)Greenleaf, WilliamUnited States
Accelerator Switch 19508461934-03-13Accelerator SwitchThe electrical contact is carried by a spring which bows in and out to give it a fast make and break . . . UtilityAutomobile ClockAssignee: Western Clock Company (the second one, 1912 - 1936)Greenleaf, WilliamUnited States
Accelerator Switch for Clocks 19830261934-12-04Accelerator Switch for ClocksBow shaped spring accelerates the making and breaking of contact in an electrically wound clock.UtilityDC Electric Clock,
Automobile Clock
Assignee: Western Clock Company (the second one, 1912 - 1936)Greenleaf, WilliamUnited States
Repeating Alarm Clock 8557751907-06-04Repeating Alarm ClockA cam with bent up "tripping points" is mounted on the third wheel, moves a trip spring up and down, . . . UtilityAlarm Mechanism for a ClockAssignee: Western Clock Manufacturing Company;
User: Westclox
Hawthorne, WilliamUnited States
Electric Motor 19352081933-11-14Electric MotorManual starting synchronous motor that starts easily and bridges brief power outages.UtilityClock Synchronous MotorUser: Westclox;
User: Western Clock Company (the second one, 1912 - 1936)
Haydon, ArthurUnited States
Electric Motor and Clock 19771841934-10-16Electric Motor and ClockSelf-starting synchronous motor with low speed and high starting torque.UtilityClock Synchronous MotorUser: WestcloxHaydon, ArthurUnited States
Electric Motor 19771861934-10-16Electric MotorApplicable to both self-starting and non-self-starting motorsUtilityClock Synchronous MotorUser: WestcloxHaydon, ArthurUnited States
Indicator for Electrically Driven Instruments and Clocks 19560281934-04-24Indicator for Electrically Driven Instruments and  . . .Power outage indicatorUtilityClock Power Outage IndicatorAssignee: Western Clock Company (the second one, 1912 - 1936);
User: Westclox
Henry, EmilUnited States
Motor 19335911933-11-07MotorThe "Sangamo" self-starting synchronous electric motorUtilityClock Synchronous MotorAssignee: Sangamo Electric Company;
User: Seth Thomas;
User: Westclox
Holtz, Frederick;
Kurz, Fred
United States
Clock StandDes. 388151907-09-17Clock StandCase for the "Vigilant" three inch clock.DesignClock CaseAssignee: Western Clock Manufacturing Company;
User: Westclox
Hopson, WilliamUnited States
Clock FrameDes. 476951915-08-10Clock FrameCase front for unidentified model of clockDesignClock CaseAssignee: Western Clock Company (the second one, 1912 - 1936);
User: Westclox
Horner, WilliamUnited States
Showing 121-140 of 285 items.