Inventor · disambiguated record
Terrance A. Friggstad
Also filed as: FRIGGSTAD TERRANCE · FRIGGSTAD TERRANCE A · FRIGGSTAD TERRANCE ALAN
78 granted patents·3 pending applications·1,137 citations·filing 1979–2019
99Inventor score
Files withFLEXI COIL LTD25CNH CANADA LTD23FRIGGSTAD TERRANCE A8CNH IND CANADA LTD4FRIGGSTAD MFG LTD4
Top patents by PatentIndex Score
81 records- 0198US8235133B2Agricultural implement having wheels that casterFRIGGSTAD TERRANCE A·Filed 2008·Granted Aug 7, 2012·51 cites·9 claims
- 0295US8635963B2Method and apparatus for sectional control of air seeder distribution system for a farm implementFRIGGSTAD TERRANCE A·Filed 2011·Granted Jan 28, 2014·47 cites·5 claims
- 0393US8714097B2Seed metering cassette for seeding implementFRIGGSTAD TERRANCE A·Filed 2011·Granted May 6, 2014·14 cites·10 claims
- 0493US6112827ATransport lock for forwardly folding agricultural implementsFLEXI COIL LTD·Filed 1999·Granted Sep 5, 2000·77 cites·31 claims
- 0592US8567517B2Agricultural implement tool frame actuating systemFRIGGSTAD TERRANCE A·Filed 2010·Granted Oct 29, 2013·35 cites·14 claims
- 0692US6305478B1Hydraulic controls for agricultural implementsFLEXI COIL LTD·Filed 1999·Granted Oct 23, 2001·55 cites·16 claims
- 0791US8701576B2Seed hopper for seed metering system having modular seed metering unitsFRIGGSTAD TERRANCE A·Filed 2011·Granted Apr 22, 2014·30 cites·12 claims
- 0890US8286566B2Down pressure adjustment assembly for a disc opener of an agricultural implementSCHILLING ROBIN B·Filed 2009·Granted Oct 16, 2012·29 cites·9 claims
- 0989US8555798B2Down pressure apparatusSCHILLING ROBIN B·Filed 2012·Granted Oct 15, 2013·22 cites·4 claims
- 1089US6202756B1Forwardly folding agricultural planterFLEXI COIL LTD·Filed 1999·Granted Mar 20, 2001·42 cites·25 claims
- 1188US8215413B2Boom stabilization method for narrow transport implementFRIGGSTAD TERRANCE A·Filed 2008·Granted Jul 10, 2012·25 cites·18 claims
- 1288US8186287B2Depth adjustment assembly for a disc opener of an agricultural implementSCHILLING ROBIN B·Filed 2009·Granted May 29, 2012·26 cites·9 claims
- 1387US8666608B2Air cart metering systemFRIGGSTAD TERRANCE ALAN·Filed 2011·Granted Mar 4, 2014·23 cites·15 claims
- 1485US8727032B2Implement with tool bar behind wing framesFRIGGSTAD TERRANCE ALAN·Filed 2011·Granted May 20, 2014·16 cites·16 claims
- 1585US8701575B2Seed metering assembly for farm implement and having quick-change capability and sectional controlFRIGGSTAD TERRANCE A·Filed 2011·Granted Apr 22, 2014·17 cites·10 claims
- 1685US8047301B2Disc gang assembly for an agricultural implementCNH CANADA LTD·Filed 2009·Granted Nov 1, 2011·24 cites·12 claims
- 1784US10406961B2Multi-tank air cart tender with individual tank conveyorsMORRIS IND LTD·Filed 2016·Granted Sep 10, 2019·13 cites·31 claims
- 1884US7854272B2Agricultural implement having forward folding wing boomsCNH CANADA LTD·Filed 2008·Granted Dec 21, 2010·17 cites·23 claims
- 1984US4373455ASeed boot assemblyFRIGGSTAD MFG LTD·Filed 1981·Granted Feb 15, 1983·62 cites·18 claims
- 2083US9992923B2Agricultural implement system with tool bar behind wing frameCNH IND CANADA LTD·Filed 2016·Granted Jun 12, 2018·7 cites·20 claims
- 2183US6374921B1Bi-fold implement frameFLEXI COIL LTD·Filed 2000·Granted Apr 23, 2002·25 cites·17 claims
- 2282US7854273B2Agricultural implement having folding draft linksCNH CANADA LTD·Filed 2008·Granted Dec 21, 2010·16 cites·15 claims
- 2382US6192994B1Lift assist mechanism for a forwardly folding planting implementFLEXI COIL LTD·Filed 1999·Granted Feb 27, 2001·27 cites·19 claims
- 2482US4355689AFlexible wing implement with universal hinges and selective locking structure associated with wings thereofFRIGGSTAD MFG LTD·Filed 1980·Granted Oct 26, 1982·30 cites·32 claims
- 2581US9198342B2Rear folding toolbar implementBOURGAULT IND LTD·Filed 2013·Granted Dec 1, 2015·13 cites·28 claims
- 2681US8359987B2Depth adjustment assembly for a disc opener of an agricultural implementCNH CANADA LTD·Filed 2012·Granted Jan 29, 2013·12 cites·2 claims
- 2781US8001915B2Metering system for agricultural implement and having sectional controlCNH CANADA LTD·Filed 2008·Granted Aug 23, 2011·19 cites·9 claims
- 2880US6336511B1Tillage implement with automatic transport lock releaseFLEXI COIL LTD·Filed 2000·Granted Jan 8, 2002·18 cites·13 claims
- 2980US6131669AHeadline stop for agricultural planterFLEXI COIL LTD·Filed 1999·Granted Oct 17, 2000·24 cites·20 claims
- 3079US8931425B2Method of providing sectional control during seeding of a field using a farm implementCNH IND CANADA LTD·Filed 2014·Granted Jan 13, 2015·10 cites·1 claims
- 3178US8801353B2Position adjustment assembly for an agricultural conveyorFRIGGSTAD TERRANCE ALAN·Filed 2011·Granted Aug 12, 2014·8 cites·17 claims
- 3276US10219425B2Method and apparatus for sectional control of air seeder distribution system for a farm implementCNH IND CANADA LTD·Filed 2016·Granted Mar 5, 2019·3 cites·15 claims
- 3376US9795071B2Rear folding toolbar implementBOURGAULT IND LTD·Filed 2015·Granted Oct 24, 2017·3 cites·5 claims
- 3476US8931424B2Seed delivery apparatus for a farm implementCNH CANADA LTD·Filed 2014·Granted Jan 13, 2015·8 cites·9 claims
- 3576US8601963B2Seed metering assembly having modular and independently controlled metering unitsFRIGGSTAD TERRANCE A·Filed 2011·Granted Dec 10, 2013·12 cites·13 claims
- 3676US8479670B2Agricultural implement incorporating ground opener unitSCHILLING ROBIN B·Filed 2012·Granted Jul 9, 2013·9 cites·8 claims
- 3776US6269887B1Forward folding tillage implement with secondary hitchFLEXI COIL LTD·Filed 2000·Granted Aug 7, 2001·14 cites·12 claims
- 3874US8342108B2Depth adjustment assembly for a disc opener of an agricultural implementCNH CANADA LTD·Filed 2012·Granted Jan 1, 2013·8 cites·7 claims
- 3974US6371216B1Tillage implement with spring pressure weight transfer mechanismFLEXI COIL LTD·Filed 2000·Granted Apr 16, 2002·12 cites·15 claims
- 4073US6325155B2Draft cable for connecting a wing for agricultural tillage deviceFLEXI COIL LTD·Filed 2001·Granted Dec 4, 2001·11 cites·7 claims
- 4172US8794900B2Position adjustment assembly for an agricultural conveyorFRIGGSTAD TERRANCE ALAN·Filed 2011·Granted Aug 5, 2014·6 cites·19 claims
- 4270US7540332B2Hydraulic control system having an upper depth stop valve with bypassCNH CANADA LTD·Filed 2006·Granted Jun 2, 2009·8 cites·15 claims
- 4369US8931426B2Seed metering apparatus for a farm implementCNH CANADA LTD·Filed 2014·Granted Jan 13, 2015·5 cites·5 claims
- 4469US5303779ARockshaft cultivator frameFLEXI COIL LTD·Filed 1992·Granted Apr 19, 1994·25 cites·3 claims
- 4567US8011439B2Marker assembly having spring linkage to limit momentum in marker assembly during marker assembly deploymentCNH CANADA LTD·Filed 2009·Granted Sep 6, 2011·8 cites·10 claims
- 4667US7984767B2Marker assembly having caster wheelCNH CANADA LTD·Filed 2009·Granted Jul 26, 2011·6 cites·14 claims
- 4767US7617784B2Dual row seed drillCNH CANADA LTD·Filed 2007·Granted Nov 17, 2009·9 cites·8 claims
- 4867US7540522B2Steering connection assembly between multiple towed implementsCNH CANADA LTD·Filed 2005·Granted Jun 2, 2009·7 cites·12 claims
- 4967US6223831B1Differential connecting rod and draft cable for agricultural tillage deviceFLEXI COIL LTD·Filed 1999·Granted May 1, 2001·14 cites·3 claims
- 5066US10537052B2Multi-function hydraulic control of tool carrier assemblyPILLAR LASERS INC·Filed 2018·Granted Jan 21, 2020·2 cites·22 claims
Showing the top 50 of 81 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →