Inventor
MARK A. CRACRAFT
Inventor
US
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A01Dprimary
A01DHarvesting30%
A01FProcessing of harvested produce13%
F15BSystems acting by means of fluids in general9%
G01DMeasuring not specially adapted for a specific variable9%
A01BSoil working in agriculture or forestry4%
B60CVehicle tyres4%
F04BPositive-displacement machines for liquids4%
F16DCouplings for transmitting rotation4%
F16HGearing4%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure4%
PatentTitleYear
12,471,537Hydraulic motor control system and method202512,396,392Crop feed rate control system for a harvester vehicle202512,284,942Sensor fusion system for improved accumulator fill level in a harvester vehicle202511,903,343Regenerative handler raise and gravity lower cylinder202411,744,179Accumulator contents detection system for harvester202311,272,661System and method for modifying tire pressure in agricultural equipment202211,248,680System and method to reduce parasitic loads on an engine of a harvesting machine2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2025Patents assigned to DEERE & CO (7)· patent assignee history
2022–2025Based in US· patent location history
2025Patents assigned to IOWA STATE UNIV RESEARCH FOUNDATION (2)· patent assignee history
2025Patents assigned to TOWA STATE UNIV RESEARCH FOUNDATION INC (1)· patent assignee history
2025Patents assigned to UNIV IOWA STATE RES FOUND INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DEERE & CO | 7 | 2022–2025 |
| IOWA STATE UNIV RESEARCH FOUNDATION | 2 | 2025 |
| TOWA STATE UNIV RESEARCH FOUNDATION INC | 1 | 2025 |
| UNIV IOWA STATE RES FOUND INC | 1 | 2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| US | 7 | 2022–2025 |