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Inventor

KELLER RUSSELL J

US10 patents
⚠️ This page may combine multiple inventors who share the name “KELLER RUSSELL J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TRIMBLE NAVIGATION LTD

6 patents
US6553299B1Apr 22, 2003

Methods and apparatus for precision agriculture operations utilizing real time kinematic global positioning system systems

TRIMBLE NAVIGATION LTD317 citations98
US6199000B1Mar 6, 2001

Methods and apparatus for precision agriculture operations utilizing real time kinematic global positioning system systems

TRIMBLE NAVIGATION LTD583 citations98
US6463374B1Oct 8, 2002

Form line following guidance system

TRIMBLE NAVIGATION LTD128 citations95
US6087984AJul 11, 2000

GPS guidance system for use with circular cultivated agricultural fields

TRIMBLE NAVIGATION LTD56 citations95
US5987383ANov 16, 1999

Form line following guidance system

TRIMBLE NAVIGATION LTD280 citations95
US6353409B1Mar 5, 2002

GPS guidance system for use with circular cultivated agricultural fields

TRIMBLE NAVIGATION LTD37 citations92

KELLER RUSSELL J

3 patents
US9573855B2Feb 21, 2017

In situ production of fertilizer

KELLER RUSSELL J0 citations48
US9137951B2Sep 22, 2015

In situ plant vigor machine

KELLER RUSSELL J0 citations48
US8951481B2Feb 10, 2015

In SITU production of fertilizer

KELLER RUSSELL J0 citations48

(unassigned)

1 patent
US5785129AJul 28, 1998

Row crop cultivator having a fixed depth of penetration

13 citations68