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WANKEL GMBH

Overview
  • Total Patents
    249
About

WANKEL GMBH has a total of 249 patent applications. Its first patent ever was published in 1963. It filed its patents most often in Germany, Japan and United States. Its main competitors in its focus markets engines, pumps and turbines, environmental technology and machines are ALBERT WILLIAMS DAW, MALLEN RES CORP and BRUCE CONKLIN.

Patent filings per year

Chart showing WANKEL GMBHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Eiermann Dankwart 87
#2 Dankuuaruto Aieruman 34
#3 Sohler Wolfgang 17
#4 Nuber Roland 14
#5 Schubert Werner 13
#6 Speiser Josef 9
#7 Paschke Hanns-Dieter 7
#8 Wankel Felix 7
#9 Klusowski Hans-Juergen 6
#10 Ueruneru Shiyuuberuto 5

Latest patents

Publication Filing date Title
DE4200613A1 LOCAL ROTATION PISTON INTERNAL COMBUSTION ENGINE
DE4125464A1 Two-axis rotary piston blower - has profiling of piston rotors chosen to give optimal sealing surfaces
DE4034465A1 EXTERNAL ROTATION PISTON BLOWER
US5199863A Sealing of an eccentric bearing of a rotary piston internal combustion engine
US5049049A Rotary piston internal combustion engine
US5067557A Machine unit consisting of a rotary piston internal combustion engine and a rotary piston compressor
DE4005023A1 BEARING AND TRANSMISSION ARRANGEMENT OF A ROTARY PISTON MACHINE
DE4003675A1 Revolving piston IC engine - has enclosing sealed insert installed on eccentric of shaft between ring gear and pinion of synchronous gear
US5039289A Rotary piston blower having piston lobe portions shaped to avoid compression pockets
DE3938329A1 COOLING SYSTEM OF A ROTATIONAL PISTON INTERNAL COMBUSTION ENGINE
DE3938331A1 COOLING WATER PUMP OF A ROTATIONAL PISTON INTERNAL COMBUSTION ENGINE
EP0363565A2 Rotary piston internal-combustion engine
JPH02163480A Pressure valve for rotary piston compressor
JPH01305103A Lubrication system for eccentric bearings of rotary piston engines
JPH02157402A Piston of rotary piston machine
EP0292933A2 Lubrication system for the excentric bearing of a rotary-piston internal combustion engine
DE3735401A1 PRESSURE VALVE OF A ROTARY PISTON COMPRESSOR
DE3728943A1 PISTON OF A ROTARY PISTON MACHINE
US4797078A Bearing arrangement of an external-axial rotary piston blower
DE3717800A1 AXIAL SEAL OF A ROTARY PISTON MACHINE