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SPAENGLER LUDWIG

Overview
  • Total Patents
    28
About

SPAENGLER LUDWIG has a total of 28 patent applications. Its first patent ever was published in 1912. It filed its patents most often in Austria, United Kingdom and United States. Its main competitors in its focus markets transport, civil engineering and consumer goods are KILBOURNE AND JACOBS MFG COMPANY, CLARK CAR COMPANY and NAT DUMP CAR CO.

Patent filings in countries

World map showing SPAENGLER LUDWIGs patent filings in countries
# Country Total Patents
#1 Austria 12
#2 United Kingdom 6
#3 United States 5
#4 Switzerland 3
#5 Denmark 1
#6 France 1

Patent filings per year

Chart showing SPAENGLER LUDWIGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Spaengler Ludwig 27
#2 Ludwig Spaengler 1

Latest patents

Publication Filing date Title
US1265542A Scarf-holder.
GB191505355A Improvements in Double Decked Vehicles.
GB191420730A Improvements in Double Decked Vehicles.
US1300201A Double-decked vehicle.
GB191405713A Improvements in and relating to Double-decked Vehicles for Tramways, Railways or the like.
US1108634A Framework of double-decked vehicles.
US1085504A Double-decked vehicle.
GB191318601A Improvements in Double-decked Cars.
GB191314020A Improvements in Double-decked Cars for Railways, Tramways or the like.
US1083225A Double-decked vehicle.