Inventor

FRIGGSTAD TERRANCE A

CA57 patents

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

FRIGGSTAD TERRANCE A

FLEXI COIL LTD

Hydraulic controls for agricultural implements

Forwardly folding agricultural planter

Lift assist mechanism for a forwardly folding planting implement

Transport lock for forwardly folding agricultural implements

Bi-fold implement frame

Tillage implement with automatic transport lock release

Headline stop for agricultural planter

Tillage implement with spring pressure weight transfer mechanism

Draft cable for connecting a wing for agricultural tillage device

Forward folding tillage implement with secondary hitch

Differential connecting rod and draft cable for agricultural tillage device

Unfold finger for a forwardly folding planting implement

Locking rockshaft for tillage implements

Tillage implement with offset cam for packers

Draft cable for connecting a hitch frame to a wing section of an agricultural implement

Ground-working cultivator for agricultural tillage device

Draft cable for agricultural tillage device

Agricultural cultivator for agricultural tillage device

CNH CANADA LTD

Disc gang assembly for an agricultural implement

Seed delivery apparatus for a farm implement

Seed metering apparatus for a farm implement

Depth adjustment assembly for a disc opener of an agricultural implement

Depth adjustment assembly for a disc opener of an agricultural implement

Metering system for agricultural implement and having sectional control

Agricultural implement having folding draft links

Agricultural implement having forward folding wing booms

Hydraulic control system having an upper depth stop valve with bypass

Marker assembly having spring linkage to limit momentum in marker assembly during marker assembly deployment

Steering connection assembly between multiple towed implements

Method of product distribution

Product distribution system for farm implement

Tillage apparatus having flexible frame and weight distribution system

FRIGGSTAD TERRANCE A

Method and apparatus for sectional control of air seeder distribution system for a farm implement

Agricultural implement having wheels that caster

Agricultural implement tool frame actuating system

Seed hopper for seed metering system having modular seed metering units

Seed metering assembly for farm implement and having quick-change capability and sectional control

Boom stabilization method for narrow transport implement

Seed metering cassette for seeding implement

Seed metering assembly having modular and independently controlled metering units

SCHILLING ROBIN B

Down pressure apparatus

Down pressure adjustment assembly for a disc opener of an agricultural implement

Depth adjustment assembly for a disc opener of an agricultural implement

Agricultural implement incorporating ground opener unit

BOURGAULT IND LTD

Rear folding toolbar implement

Rear folding toolbar implement

CNH IND CANADA LTD

Method of providing sectional control during seeding of a field using a farm implement

Method and apparatus for sectional control of air seeder distribution system for a farm implement

MORRIS IND LTD

Multi-tank air cart tender with individual tank conveyors

PILLAR LASERS INC

Multi-function hydraulic control of tool carrier assembly