Inventor
CRESSWELL MARK
CA23 patents
⚠️ This page may combine multiple inventors who share the name “CRESSWELL MARK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BOURGAULT IND LTD
14 patentsUS6584920B1Jul 1, 2003
System and method for adjusting air flow in air seeding applications
BOURGAULT IND LTD79 citations98
US7159523B2Jan 9, 2007
Method and apparatus of agricultural field seeding
BOURGAULT IND LTD108 citations97
US6698368B2Mar 2, 2004
Zone control for agricultural product application
BOURGAULT IND LTD40 citations92
US7870826B2Jan 18, 2011
Method and device for adjusting and controlling packing force
BOURGAULT IND LTD21 citations91
US7267519B2Sep 11, 2007
Loading conveyor with folding hopper for agricultural commodity carts
BOURGAULT IND LTD55 citations91
US6874584B2Apr 5, 2005
Disc furrow opener scraper positioning system
BOURGAULT IND LTD21 citations88
US9699953B2Jul 11, 2017
Air seeder for singulated and bulk seeding
BOURGAULT IND LTD13 citations84
US7975630B2Jul 12, 2011
Method for adjusting and controlling packing force
BOURGAULT IND LTD14 citations83
US7455020B1Nov 25, 2008
Method and apparatus for seeding canola and flax
BOURGAULT IND LTD13 citations83
US9271439B2Mar 1, 2016
Autonomus air seeder apparatus with remote operator override
BOURGAULT IND LTD17 citations82
US10149427B2Dec 11, 2018
Air seeder distribution apparatus with purging air
BOURGAULT IND LTD5 citations72
US10609852B2Apr 7, 2020
Method and apparatus for seed bed preparation
BOURGAULT IND LTD2 citations63
US7549481B2Jun 23, 2009
Parallel link mounting arm for a furrow opener
BOURGAULT IND LTD5 citations61
US12557727B2Feb 24, 2026
Apparatus for adjusting seed and fertilizer depths
BOURGAULT IND LTD0 citations50