Learn more

PFORZHEIMER UHREN ROHWERKE

Overview
  • Total Patents
    100
About

PFORZHEIMER UHREN ROHWERKE has a total of 100 patent applications. Its first patent ever was published in 1951. It filed its patents most often in Germany, United States and Switzerland. Its main competitors in its focus markets measurement, electrical machinery and energy and machine tools are CHS TISSOT & FILS S A, PARMIGIANI FLEURIER S A and PIGUET FREDERIC SA.

Patent filings per year

Chart showing PFORZHEIMER UHREN ROHWERKEs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kroener Wolfgang 13
#2 Bareiss Walter 12
#3 Muerrle Kurt 11
#4 Burkhardt Wolfgang 6
#5 Walter Bareiss 5
#6 Schumacher Friedrich 4
#7 Kroener Wolfgang Ing Grad 3
#8 Murrle Kurt 3
#9 Rupprecht Matthias 3
#10 Wehner Hans J 3

Latest patents

Publication Filing date Title
DE3816713A1 Small watch
EP0274550A1 Device for limiting the end play of the motion work of a watch
US4860270A Drive coupling
US4626109A Watch hand drive shaft structure
US4704710A Arrangement for adjusting the hand position of a watch
DE3527125C1 Wrist watch
DE3522672C1 Setting stem/setting wheel
DE3522690C1 Hour wheel
DE3522689A1 STEPPER MOTOR
DE3522688A1 WHEELWORK OF A WRISTWATCH
DE3519008C1 Stepper motor drive circuit
DE3518511C1 Battery - E-block - connection bracket for a small clock
DE3512701C1 Clockwork axle bearing
DE3444146C1 Electromechanical stepper motor
DE3313463A1 INSTRUMENT LIGHTING
DE3137399A1 Control device for setting the alarm time in small clocks/watches
DE3024165A1 Watch hour hand setting device for time zone adjustment - has push-button actuation causing winding and correction stem to move into hours setting position
DE3004865A1 Date adjusting mechanism for quartz clock - has locking arm with slot for date correcting wheel, having magnetic coupling
DE2556314B1 DEVICE FOR CALENDAR CORRECTOR FOR SMALL CLOCKS
DE2549816B1 ARRANGEMENT FOR LOCKING THE SWITCHING WHEELS USING A SPRING PRESSURE LOCKING ROLLER IN CLOCKWORKS