Donald J. MURTHA has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
Abstract: An excavator for earthmoving and construction includes a main frame, a rotatable cabin mounted on top of the main frame, a boom, a stick, a digging bucket, and a slidable plate assembly attached to the main frame that is capable of distributing the weight of the rotatable operator's cabin. The excavator optionally includes a removable dump bed mounted to the main frame for receiving material from the digging bucket.
Abstract: An excavator for earthmoving and construction includes a main frame, a rotatable cabin mounted on top of the main frame, a boom, a stick, a digging bucket, and a slidable plate assembly attached to the main frame that is capable of distributing the weight of the rotatable operator's cabin. The excavator optionally includes a removable dump bed mounted to the main frame for receiving material from the digging bucket.
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