1
Melvin V Gaeddert, Rex O Weigand: Crop loading monitor for rotary balers. Hesston Corporation, Schmidt Johnson Hovey & Williams, September 30, 1980: US04224867 (35 worldwide citation)

In the event that crop material is loaded into the baling chamber more heavily in one portion than another, the forming belt at the area of insufficient volume will become slackened relative to the remaining belts. Such slack condition is sensed by the monitor, and a signal device such as a light, b ...


2
David P Fritz, Rex O Weigand, Gary L Fleming: Adjustable row spacing forage head. Hesston Corporation, Schmidt Johnson Hovey & Williams, April 18, 1978: US04084396 (23 worldwide citation)

Individual row units on the harvester, each including a crop transfer trough, cutting apparatus at the forward end of the trough, and cooperating conveyors along the trough, are independently swingable relative to one another for changing the distance between the troughs at their forward ends in acc ...


3
Garry A Boldenow, Rex O Weigand, Carl L Nelms: Bale wrapping apparatus. Hesston Corporation, Schmidt Johnson Hovey & Williams, October 19, 1982: US04354429 (12 worldwide citation)

An improved method is provided for wrapping generally cylindrical bales of hay with twine to maintain the structural integrity thereof, in which a unique pattern of twine bindings is utilized to achieve greater strength and reliability. A related form of improved bale wrapping apparatus is also prov ...