Inventor

William J. Dietrich, Sr.

Inventor

Congerville, IL, US

Overview

1977–2020

Patent span

Human necessities

Primary field (CPC A)

Patents· 48 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

A01Bprimary

A01BSoil working in agriculture or forestry55%

A01CPlanting28%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%

A01MCatching, trapping or scaring of animals3%

Y02PClimate change mitigation technologies in the production or processing of goods3%

A01KAnimal husbandry2%

B60BVehicle wheels2%

B60DVehicle connections2%

Y10TTechnical subjects covered by former us classification2%

PatentTitleYear

10,779,452Rotary slurry injector2020 10,182,521Field cultivation combined with fertilizer placement2019 9,226,437'Fertilizer applicator with coulter for minimum soil displacement'2016 8,544,395'Slurry fertilizer applicator'2013 7,143,837'Soil conditioning rotary reel for secondary tillage operations'2006 7,143,836'Soil conditioning rotary reel for primary tillage operations'2006 6,973,884'Slurry fertilizer applicator'2005 6,896,068'Tillage implement with indexed harrow'2005 6,626,246'Tillage implement with one point pin angle adjustment'2003 6,454,019'Agricultural implement down pressure system'2002 6,422,323'Tillage tooth for use in an implement providing a smooth finish'2002 6,397,767'Knife applicator for applying liquid fertilizer in the ground'2002 6,276,462'Combination tillage equipment for providing a smooth finish'2001 6,178,900'Combination chisel plow and fertilizer placement apparatus'2001 6,095,065'Apparatus for high speed application of liquid or dry fertilizer'2000 6,012,534'Minimum soil displacement chisel plow and soil firming wheel arrangement'2000 5,865,131'Slurry fertilizer applicator'1999 5,862,763'Apparatus for high speed application of liquid or dry fertilizer'1999 5,540,288'Primary tillage unit with reduced disturbance of surface soil and residue'1996 5,437,337'Tillage unit with reduced disturbance of surface residue and soil'1995 5,413,182'Improvements in frame of winged agricultural implement'1995 5,343,958'Agricultural fertilizer applicator including self-leveling wagon hitch'1994 5,080,178'Agricultural tillage implement with improved soil leveler using staggered discs'1992 4,924,946'Apparatus for deep plowing highly compacted soil'1990 4,723,495'Single blade sealer for fertilizer applicator'1988 4,596,199'Single blade sealer for fertilizer applicator'1986 4,592,294'Knife applicator for dry and liquid fertilizer'1986 4,582,023'Livestock self-feeder'1986 4,574,715'Agricultural fertilizer applicator'1986 4,548,277'Spring reset mechanism for tillage tool'1985 4,546,832'Agricultural implement with spring cushion for vertically adjustable subframe'1985 4,542,793'One-pass complete tillage system'1985 4,538,689'Subsoil plow point'1985 4,535,849'Implement with horizontal linkage depth control'1985 4,454,920'High speed tillage system with discs and plow points'1984 4,446,924'High speed tillage system with discs and plow points'1984 4,444,271'Tillage apparatus with independent depth adjustment'1984 4,418,761'Adjustable tillage implement positioning apparatus'1983 4,403,662'One-pass complete tillage system'1983 4,397,475'Bumper hitch with universal mounting support'1983 4,381,823'Combination fertilizer applicator and tillage implement with adjustable sweep assemblies'1983 4,282,935'Multiple section, adjustable width plow'1981 4,279,311'High speed tiller with widely spaced discs'1981 4,245,706'One-pass complete tillage system'1981 4,131,323'Dual wheel assembly for tractors'1978 4,117,892'Agricultural folding tool bar with rigid cross frame'1978 4,049,063'Multi-unit adjustable plow system'1977 4,040,491'Automatic reset plow'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1999Patents assigned to DMI (30)· patent assignee history

1977–2001Based in Congerville, IL, US· patent location history

1986Based in Congervill, IL, US· patent location history

1990–2005Patents assigned to SOYCORP INC (2)· patent assignee history

2000–2002Patents assigned to CASE CORP (7)· patent assignee history

2001–2019Based in Goodfield, IL, US· patent location history

2005–2006Patents assigned to CNH AMERICA LLC (3)· patent assignee history

2013–2020Patents assigned to DIETRICH SR WILLIAM J (3)· patent assignee history

2020Based in Morton, IL, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
DMI	30	1977–1999
CASE CORP	7	2000–2002
CNH AMERICA LLC	3	2005–2006
DIETRICH SR WILLIAM Jself	3	2013–2020
SOYCORP INC	2	1990–2005

Locations

Location	Patents	Span
Congerville, Illinois, US	34	1977–2001
Goodfield, Illinois, US	12	2001–2019
Morton, Illinois, US	1	2020
Congervill, Illinois, US	1	1986