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TWIN DISC INC

Overview
  • Total Patents
    451
  • GoodIP Patent Rank
    27,768
  • Filing trend
    ⇩ 94.0%
About

TWIN DISC INC has a total of 451 patent applications. It decreased the IP activity by 94.0%. Its first patent ever was published in 1958. It filed its patents most often in United States, Germany and United Kingdom. Its main competitors in its focus markets mechanical elements, machines and transport are LOHMANN & STOLTERFOHT AG, HAROLD SINCLAIR and OUDEN W H DEN NV.

Patent filings per year

Chart showing TWIN DISC INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Rolla Philip 36
#2 Black James B 22
#3 Schneider Raymond C 17
#4 Jones Darrel A 17
#5 Steinhagen Horst G 16
#6 Snoy Joseph B 15
#7 Pelligrino Paul A 15
#8 Hilpert Conrad R 12
#9 Roth Hilpert Conrad 11
#10 Bratel Dean J 11

Latest patents

Publication Filing date Title
WO2020214934A1 Electro-hydraulic high-pressure oilfield pumping system
US2020018332A1 Clutch stack wear sensor system for a power transmission device
WO2017142983A1 Hydraulic power take-off with brake disconnect system for industrial drives
EP3416845A1 Hydraulic power take-off with multiple-force brake system for industrial drives
CN109070740A Integrated multiposition forcedlubricating system
CN108700165A Heavy duty industrial speed changer
EA035183B1 Method of fracturing utilizing an air/fuel mixture
MX2016013609A Fluid actuated over-center clutch for a pto.
US2015308521A1 Trimmed lock-up clutch
US2015266554A1 Tractor Mode Marine Propulsion
WO2014144063A1 Rooster tail suppression apparatus
WO2014035930A1 Trimmable rudder
AU2012309093A1 Waterjet propulsion system and method for a marine vehicle
WO2013106022A2 Two-into-two or one hybrid power device for a marine vehicle
WO2012003021A1 Power generator using a wind turbine, a hydrodynamic retarder, and an organic rankine cycle drive
WO2011109744A2 Stepped surface propeller
CA2790464A1 Balanced clutch system
EP2437976A2 Marine power splitting gearbox
US2011263165A1 Electric Marine Surface Drive
KR20110128178A Hybrid marine power train system