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WEISSENFELS SPA

Overview
  • Total Patents
    41
About

WEISSENFELS SPA has a total of 41 patent applications. Its first patent ever was published in 1965. It filed its patents most often in Italy, Germany and EPO (European Patent Office). Its main competitors in its focus markets transport, machines and mechanical elements are NORSK KJETTING IND AS, DUCASBLE ALFRED and HOLTE BJARNE.

Patent filings in countries

World map showing WEISSENFELS SPAs patent filings in countries

Patent filings per year

Chart showing WEISSENFELS SPAs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Gregorutti Paolo 11
#2 Franklin Charles R 5
#3 Melzi Carlo 5
#4 Pittino Gianni 4
#5 Melzi Carlo Dr Ing 4
#6 Gregorutti Paolo Dr Ing 4
#7 Bellotto Franco 3
#8 Gregorutti Paolo Dr-Ing 1
#9 Umberto Miliani 1
#10 Carlo Melzi 1

Latest patents

Publication Filing date Title
FR2813045A3 ANTI-SLIP CHAIN FOR VEHICLE TIRES
DE10037903A1 Connecting element for connecting chain strand sections running over the tread of a tire chain
DE19708756A1 Turnbuckle for anti-skid chain
EP0625438A1 Stud link for tyre chains
EP0625437A1 Studlink for tyre chains
DE4410026A1 Packed snow chain set for motor vehicle
ITTO930347D0 Gripping element for tyre chains
DE3636313A1 Antiskid chain for tyres of heavy lorries
US4665589A Fastener for openable and closable side clips of antiskid chains for motor vehicle tires
EP0155988A2 Anti-skid device for vehicle wheels
US4588010A Anti-skid device for motor vehicle tires
DE3318551A1 ANTI-SLIP DEVICE FOR VEHICLE TIRES
IE830160L Chain link for safety chain
IT8203405D0 Link for safety chain
IT8203322D0 Link for bicycle lock chain
DE2645891A1 SNOW CHAIN FOR MOTOR VEHICLES
DE2645893A1 Vehicle wheel snow chain - has separate tensioning rings with inner ring formed in segments