The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 02, 2021
Filed:
Oct. 11, 2019
Applicant:
Ojjo, Inc., San Rafael, CA (US);
Inventors:
David Mar, Berkeley, CA (US);
Daniel Flanigan, Petaluma, CA (US);
Assignee:
Ojjo, Inc., San Rafael, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02D 3/054 (2006.01); E02D 7/26 (2006.01); E02D 27/26 (2006.01); E02D 5/24 (2006.01); E02D 5/52 (2006.01); E02D 5/56 (2006.01);
U.S. Cl.
CPC ...
E02D 3/054 (2013.01); E02D 5/24 (2013.01); E02D 5/523 (2013.01); E02D 5/56 (2013.01); E02D 7/26 (2013.01); E02D 27/26 (2013.01);
Abstract
A machine, method and system for installing helical foundation piers that sues a driving tamper connected to a rotary tool to drive helical piers into the ground. Once the pier reaches the target depth, the tamper is decoupled, and counter rotated away from the pier. While it is withdrawn the soil between the driven and pier and the driving tamper is compressed by intermittent downward action of the tamper.