DM

David S. Majkrzak

CR Crary: 11 patents #1 of 4Top 25%
CI Crary Industries: 3 patents #5 of 15Top 35%
ST Steiger Tractor: 3 patents #1 of 8Top 15%
CE Clark Equipment: 1 patents #215 of 416Top 55%
EI Echo Incorporated: 1 patents #24 of 51Top 50%
📍 West Fargo, ND: #7 of 146 inventorsTop 5%
🗺 North Dakota: #41 of 2,395 inventorsTop 2%
Overall (All Time): #185,858 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
8230954 PTO driven hydraulic system 2012-07-31
8033340 Windrower and method of windrowing a grown product 2011-10-11
8006725 Log splittter 2011-08-30
7780102 Feed roller drive for wood chipper 2010-08-24
7712232 Concentric axis snow blower attachment 2010-05-11
7658059 Synchronous drive for split sickle bars on harvester header 2010-02-09
7354067 Compact caster wheel system 2008-04-08
6397573 Reel bat assembly 2002-06-04
6324962 Valve block mounting arrangement 2001-12-04
6293479 Feed control hydraulic circuit for wood chipper attachment Wally L. Kaczmarski, Verne C. Watts, Patrick Cronin 2001-09-25
6199358 Reel tine assembly 2001-03-13
6074298 Extended height combine hopper leveling auger Todd A. Nesemeier 2000-06-13
5359835 Underwater weed roller 1994-11-01
5240189 Debris shredder and rotor Patrick Cronin, Duane J. Antonsen 1993-08-31
RE34225 Modular sickle bar sections 1993-04-20
4986012 Retractable drift cutter 1991-01-22
4936082 Mechanical air reel 1990-06-26
4805390 Modular sickle bar sections 1989-02-21
4651511 Mower assembly 1987-03-24
4461249 Method and apparatus of starting a cold engine 1984-07-24
4391235 Vehicle exhaust gas warm-up heater system 1983-07-05
4305354 Apparatus and method of heating cold engine 1981-12-15
4290654 Wheel rim mounting device for variable wheel spacing Dwight B. Hinkel 1981-09-22