IPC A01D (1 - 10 of 81,578 results)

The present invention provides a highly automated agricultural production system which comprises, as essential components:

An outdoor working automating system includes a rice reaper having a position detecting unit for detecting a position by receiving radio waves from a GPS satellite and a control unit for controlling the position of the rice reaper sa that the position traces predetermined route data, and a rice tran ...

The invention relates to an automatic, self-contained machine for continuously mowing grass. The machine is powered by means of photovoltaic cells (10) and can be wheeled (15) or tracked. A device comprising a microcomputer programmed by an algorithm allows to search for spots where the grass must b ...

A programmable lawn mower assembly (10) including a carriage (12) supporting a mower central processing unit (CPU) (24) for controlling the drive motors (18) to control the direction of movement of the carriage (12). The assembly (10) includes first and second locating transmitters to be disposed on ...

A method and apparatus are provided for monitoring a plurality of functions and conditions of a machine which includes a plurality of sensors for producing sensor signals corresponding to these functions and conditions. The monitoring method comprises providing at least one monitoring module having ...

Fracturing, frac-pack, and gravel packing procedures are provided which utilize a treating composition comprising a carrier fluid and a particulate blend. The particulate blend consists essentially of a large particulate material and a small particulate material. The large particulate material consi ...

The invention concerns a self-propelled lawn mower and a method adapted for using said machine. The machine comprises: a mobile frame (

The disclosure in this patent application includes a retractable in-row tiller device that has a parallelogram carriage structure for supporting the outrigger arm and tiller and for retracting and extending the outrigger arm and tiller in relation to the tractor on which it is mounted. It also inclu ...

A combine performance monitor includes a programmed, special purpose computer coupled to a plurality of sensors for detecting a plurality of different operating conditions in a combine. The special purpose computer cooperates with operator accessible controls for calculating a plurality of predeterm ...

An improved drive assembly is provided particularly for use with lawn mowers and the like for selectively coupling an engine drive shaft to rotatably drive a mower blade when a control lever is grasped by the operator, and for quickly halting blade rotation when the control lever is released while t ...