Inventor · disambiguated record
Douglas R. Treffer
Also filed as: TREFFER DOUGLAS · TREFFER DOUGLAS R · TREFFER DOUGLAS RAY
11 granted patents·60 citations·filing 2012–2018
88Inventor score
Files withAGCO CORP11
Top patents by PatentIndex Score
11 records- 0192US9930824B2Self-propelled agricultural machine with dual driving modesAGCO CORP·Filed 2015·Granted Apr 3, 2018·13 cites·5 claims
- 0289US9480198B2Swivel drawbar hitch mechanism for pull-type implementAGCO CORP·Filed 2015·Granted Nov 1, 2016·9 cites·5 claims
- 0388US8733770B2Steerable rear axle system for dual-path steered windrower tractorAGCO CORP·Filed 2012·Granted May 27, 2014·14 cites·3 claims
- 0487US9648809B2Hydraulic conditioner roll tension in pull-type mower conditionerAGCO CORP·Filed 2015·Granted May 16, 2017·8 cites·5 claims
- 0578US9736983B2Crop conveyor deck with adjustable discharge angleAGCO CORP·Filed 2016·Granted Aug 22, 2017·4 cites·12 claims
- 0673US10506762B2Computer controlled hydraulic conditioner roll tensioning adjustmentAGCO CORP·Filed 2018·Granted Dec 17, 2019·3 cites·19 claims
- 0773US10485173B2Windrow merger attachmentAGCO CORP·Filed 2017·Granted Nov 26, 2019·3 cites·12 claims
- 0870US10091935B2Swathboard control with windrow merger attachmentAGCO CORP·Filed 2017·Granted Oct 9, 2018·3 cites·3 claims
- 0970US10034426B2Method of adjusting the discharge angle of a crop conveyor deckAGCO CORP·Filed 2017·Granted Jul 31, 2018·2 cites·3 claims
- 1059US10785914B2Automatic control of windrower swathboardAGCO CORP·Filed 2018·Granted Sep 29, 2020·1 cites·20 claims
- 1150US10863673B2Crop conveyor deck with adjustable discharge angleAGCO CORP·Filed 2018·Granted Dec 15, 2020·0 cites·10 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →