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WALDES KOHINOOR INC

Overview
  • Total Patents
    555
About

WALDES KOHINOOR INC has a total of 555 patent applications. Its first patent ever was published in 1926. It filed its patents most often in United States, United Kingdom and Germany. Its main competitors in its focus markets machines, machine tools and mechanical elements are VAUGHN RUDOLPH M, WEST ROBERT J and FENNELL MICHAEL P.

Patent filings in countries

World map showing WALDES KOHINOOR INCs patent filings in countries
# Country Total Patents
#1 United States 224
#2 United Kingdom 91
#3 Germany 73
#4 France 52
#5 Switzerland 33
#6 Canada 22
#7 Austria 17
#8 Japan 8
#9 Belgium 7
#10 Spain 7
#11 Sweden 5
#12 Italy 4
#13 Netherlands 4
#14 Argentina 2
#15 Hong Kong 2
#16 Australia 1
#17 Brazil 1
#18 EPO (European Patent Office) 1
#19 Mexico 1

Patent filings per year

Chart showing WALDES KOHINOOR INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hans Erdmann 57
#2 Wurzel Hugo 42
#3 Erdmann Hans 34
#4 Hugo Wurzel 27
#5 Rudolf Feitl 18
#6 Schaaff Louis W 15
#7 Coch Lester 14
#8 George Waldes 13
#9 Waldes George 13
#10 Soave John G 13

Latest patents

Publication Filing date Title
US4550485A Methods and apparatus for installing a radially applied retaining ring into an external groove of a workpiece
US4514093A Method and apparatus for delivery of a powder
US4343581A Double-bevel spring retaining ring
GB2003934A Plating tin onto articles
US4189062A Dispensing methods and apparatus for split retaining rings
AU2456177A Treating metal surfaces
US4099444A Radially assembled friction-grip self-locking rings
JPS52150741A Circulative method of plating metal part with metal
JPS5244352A Tapered truss retaining ring
ES445018A1 Method and apparatus to recover the salt used in thermal treatment baths. (Machine-translation by Google Translate, not legally binding)
GB1477831A Retaining rings
US3995360A Self-locking retaining ring assembly tool
US4006659A Spring-metal retaining rings
ES438379A3 Procedure for the metalization by impact in humidity of metal parts and corresponding apparatus. (Machine-translation by Google Translate, not legally binding)
US3987697A Friction-grip self-locking retaining ring and shaft combination
US3953248A Method and apparatus for reclaiming heat treating salt
US3934866A Special-purpose spring retaining rings
US3934315A Helical-spring fastened assemblies
GB1427280A Retaining ring package
GB1416976A Rings