Pocket Watch Database

Pocket Watch Patents Archive

The following gallery contains patents that were issued or assigned to watch manufacturing companies or individuals known to be associated with the company at the time. Not all designs were fully implemented into production.



Watch Cushioned Movement Mount

Patent Number:2749702
Description:Watch Cushioned Movement Mount
Inventor: Edgar K. Schwaibold
Assignee:Star Watch Case Co
Patent Date:Jun 12, 1956
Registration Type:Patent
Related Manufacturer:Star Watch Case Co

Watch Sealed Calendar

Patent Number:2749703
Description:Watch Sealed Calendar
Inventor: Edgar K. Schwaibold
Assignee:Star Watch Case Co
Patent Date:Jun 12, 1956
Registration Type:Patent
Related Manufacturer:Star Watch Case Co

Clock Electric Time Indicate Device

Patent Number:2749704
Description:Clock Electric Time Indicate Device
Inventor: Pentti Heikkila
Patent Date:Jun 12, 1956
Registration Type:Patent

Shock And Vibrate Proof Oscillate

Patent Number:2750730
Description:Shock And Vibrate Proof Oscillate
Inventor: Walter Kohlhagen
Assignee:E Ingraham Co
Patent Date:Jun 19, 1956
Registration Type:Patent

Stationary Bearing Include End Stone Pivot

Patent Number:2750731
Description:Stationary Bearing Include End Stone Pivot
Inventor: Henri Colomb
Patent Date:Jun 19, 1956
Registration Type:Patent

Time Device With Alarm Mech

Patent Number:2752750
Description:Time Device With Alarm Mech
Inventor: Georges Ducommun
Assignee:Baumgartner Freres S A
Patent Date:Jul 3, 1956
Registration Type:Patent

Watch Automatic Wind Gear

Patent Number:2752751
Description:Watch Automatic Wind Gear
Inventor: Eric Vaucher
Patent Date:Jul 3, 1956
Registration Type:Patent

Watch Case Shock & Waterproof

Patent Number:2752752
Description:Watch Case Shock & Waterproof
Inventor: Griver P. Simpson
Patent Date:Jul 3, 1956
Registration Type:Patent

Watch Automatic Main Spring Wind Mech

Patent Number:2756559
Description:Watch Automatic Main Spring Wind Mech
Inventor: Kenneth W. Derr
Assignee:Hamilton Watch Co
Patent Date:Jul 31, 1956
Registration Type:Patent
Related Manufacturer:Hamilton

Watch Wind Indicator For A Self Wind

Patent Number:2761274
Description:Watch Wind Indicator For A Self Wind
Inventor: Aurele Maire
Assignee:Gruen Watch Mfg Co
Patent Date:Aug 4, 1956
Registration Type:Patent

Calendar Mech

Patent Number:2757507
Description:Calendar Mech
Inventor: Robert L. Boyles
Assignee:General Electric Co
Patent Date:Aug 7, 1956
Registration Type:Patent

Instrument With Helicoidal Marks Reading Time

Patent Number:2757508
Description:Instrument With Helicoidal Marks Reading Time
Inventor: Renzo Zanetti
Patent Date:Aug 7, 1956
Registration Type:Patent

Timepiece Power Take Off Device

Patent Number:2757545
Description:Timepiece Power Take Off Device
Inventor: George G. Ensign
Glenn T. Soper
Assignee:Elgin Natl Watch Co
Patent Date:Aug 7, 1956
Registration Type:Patent
Related Manufacturer:Elgin

Pawl And Ratchet Mech

Patent Number:2757555
Description:Pawl And Ratchet Mech
Inventor: George G. Ensign
Glenn T. Soper
Assignee:Elgin Natl Watch Co
Patent Date:Aug 7, 1956
Registration Type:Patent
Related Manufacturer:Elgin

Clock Electrostatic Pendulum

Patent Number:2760331
Description:Clock Electrostatic Pendulum
Inventor: Irving Reiner
Patent Date:Aug 28, 1956
Registration Type:Patent

Watch Shaft Bearing

Patent Number:2760332
Description:Watch Shaft Bearing
Inventor: Friedrich Meyer
Assignee:Felsa S A
Patent Date:Aug 28, 1956
Registration Type:Patent

Cyclometer

Patent Number:2762190
Description:Cyclometer
Inventor: Adolf Holzner
Patent Date:Sep 11, 1956
Registration Type:Patent

Clock Electric

Patent Number:2763121
Description:Clock Electric
Inventor: Waldemar A. Ayres
Assignee:Ayres Clock Co Inc
Patent Date:Sep 18, 1956
Registration Type:Patent

Time And Weather Indicator

Patent Number:2763122
Description:Time And Weather Indicator
Inventor: John M. Hayes
Patent Date:Sep 18, 1956
Registration Type:Patent

Clock Fork Safety Mean Pallet Escape

Patent Number:2763123
Description:Clock Fork Safety Mean Pallet Escape
Inventor: Hugo Hettich
Patent Date:Sep 18, 1956
Registration Type:Patent

Watch Case

Patent Number:2765614
Description:Watch Case
Inventor: Hans-jean Steimann
Patent Date:Oct 9, 1956
Registration Type:Patent

Timepiece Movement With Jumping Second Beat Hand

Patent Number:2766578
Description:Timepiece Movement With Jumping Second Beat Hand
Inventor: Fritz Andrea Robert-charrue
Assignee:Ebauches S A
Patent Date:Oct 16, 1956
Registration Type:Patent

Clock Electric Balance

Patent Number:2768495
Description:Clock Electric Balance
Inventor: Raymond H. Sullivan
Peter R. Contant
Assignee:General Motors Corp
Patent Date:Oct 30, 1956
Registration Type:Patent

Clock Self Wind Mech Vehicle

Patent Number:2769301
Description:Clock Self Wind Mech Vehicle
Inventor: Joseph N. Liebman
Patent Date:Nov 6, 1956
Registration Type:Patent

Clock Air Operated Penumatic

Patent Number:2770941
Description:Clock Air Operated Penumatic
Inventor: Vincent A. Flagiello
Patent Date:Nov 20, 1956
Registration Type:Patent

Balance Adjust Moment Inertia

Patent Number:2770942
Description:Balance Adjust Moment Inertia
Inventor: Maxime Favret
Assignee:Elgin Natl Watch Co
Patent Date:Nov 20, 1956
Registration Type:Patent
Related Manufacturer:Elgin

Watch Crown Seal

Patent Number:2771734
Description:Watch Crown Seal
Inventor: Ernest Morf
Patent Date:Nov 27, 1956
Registration Type:Patent

Voltaic Cell Cathode & Art Of Making Same

Patent Number:2772321
Description:Voltaic Cell Cathode & Art Of Making Same
Inventor: George G. Ensign
Assignee:Elgin Natl Watch Co
Patent Date:Nov 27, 1956
Registration Type:Patent
Related Manufacturer:Elgin

Watch Crown And Method Of Assembly

Patent Number:2772536
Description:Watch Crown And Method Of Assembly
Inventor: Edward L. Shafran
Patent Date:Dec 4, 1956
Registration Type:Patent

Timepiece Movement Wind Crown For

Patent Number:2773347
Description:Timepiece Movement Wind Crown For
Inventor: Jean-michel Froidevaux
Assignee:Manufacture Des Montres Univer
Patent Date:Dec 11, 1956
Registration Type:Patent

Calendar Mechanical

Patent Number:2775092
Description:Calendar Mechanical
Inventor: Frank A. Howard
Patent Date:Dec 25, 1956
Registration Type:Patent

Watch Wrist Battery Operated Electro Magnetic

Patent Number:764450
Description:Watch Wrist Battery Operated Electro Magnetic
Inventor: Hamilton Watch Co
Patent Date:Dec 28, 1956
Registration Type:Patent
Related Manufacturer:Hamilton

Watch Wrist Bracelet Attach

Patent Number:2775861
Description:Watch Wrist Bracelet Attach
Inventor: Emil E. Fachon
Assignee:Bulova Watch Co Inc
Patent Date:Jan 1, 1957
Registration Type:Patent

Clock Alarm Variable Signal

Patent Number:2777278
Description:Clock Alarm Variable Signal
Inventor: Helmut Junghans
Kurt Bauerle
Patent Date:Jan 15, 1957
Registration Type:Patent

Retainer Ring For Balance Wheel Staff

Patent Number:2777279
Description:Retainer Ring For Balance Wheel Staff
Inventor: Fred Koehler
Assignee:Hamilton Watch Co
Patent Date:Jan 15, 1957
Registration Type:Patent
Related Manufacturer:Hamilton

Clock Hand Set Mech

Patent Number:2777280
Description:Clock Hand Set Mech
Inventor: Oscar R. Petters
Assignee:Hamilton Watch Co
Patent Date:Jan 15, 1957
Registration Type:Patent
Related Manufacturer:Hamilton