P

Inventor

TREFZ HARLIN J

US12 patents
⚠️ This page may combine multiple inventors who share the name “TREFZ HARLIN J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DEERE & CO

3 patents
US6644002B2Nov 11, 2003

Walk-behind self-propelled power equipment unit with speed control

DEERE & CO50 citations92
US7877972B2Feb 1, 2011

Automatic connection mechanism for mid-mounted implement

DEERE & CO16 citations89
US7669580B2Mar 2, 2010

Electronic engine speed control system for grass mowing machine

DEERE & CO15 citations79

NOMA OUTDOOR PRODUCTS INC

2 patents
US5351467AOct 4, 1994

Height adjustment mechanism for riding mower cutting deck

NOMA OUTDOOR PRODUCTS INC56 citations94
US5138825AAug 18, 1992

Riding mower having a pedal operated height adjustment mechanism, air assisted discharge, and improved hydrostatic shift linkage

NOMA OUTDOOR PRODUCTS INC73 citations92

DELTA SYSTEMS INC

2 patents
US6543560B1Apr 8, 2003

Hydrostatic transmission with integral actuator

DELTA SYSTEMS INC33 citations91
US6868925B2Mar 22, 2005

Engine with integral actuator

DELTA SYSTEMS INC5 citations61

TREFZ HARLIN J

1 patent
US8087481B2Jan 3, 2012

Dual lever steering controls with control stops

TREFZ HARLIN J19 citations88

INT HARVESTER CO

1 patent
US3934392AJan 27, 1976

Debris collector for lawn and garden machines

INT HARVESTER CO34 citations86

HUNT KENNETH E

1 patent
US8255126B2Aug 28, 2012

Aerator having flexible frame

HUNT KENNETH E12 citations77

FOX ROBERT NEIL

1 patent
US8234847B2Aug 7, 2012

Automatic connection mechanism for mid-mounted implement

FOX ROBERT NEIL15 citations77

MURRAY OUTDOOR PRODUCTS INC

1 patent
US5354241AOct 11, 1994

Belt clutch control apparatus

MURRAY OUTDOOR PRODUCTS INC14 citations69