Inventor · disambiguated record
Timothy J. Ptacek
Also filed as: PTACEK TIMOTHY J
7 granted patents·1 pending application·218 citations·filing 1990–2020
85Inventor score
Top patents by PatentIndex Score
8 records- 0187US5921325ALow transport height stack fold implementGREAT PLAINS MFG INC·Filed 1997·Granted Jul 13, 1999·68 cites·28 claims
- 0287US5653292AMethod and apparatus for automatically controlling the soil penetration depth of zone tillage coulters and the likeGREAT PLAINS MFG INC·Filed 1995·Granted Aug 5, 1997·93 cites·30 claims
- 0381US11632893B2Ground openers with common depth-adjustmentGREAT PLAINS MFG INC·Filed 2020·Granted Apr 25, 2023·1 cites·20 claims
- 0464US5027724ASubsoil fertilizer applicator having arcuately adjustable knifeGREAT PLAINS MFG INC·Filed 1990·Granted Jul 2, 1991·41 cites·18 claims
- 0563US7152541B2Agricultural planting machine having interchangeable seed metersGREAT PLAINS MFG INC·Filed 2004·Granted Dec 26, 2006·15 cites·15 claims
- 0659US11700781B2Ground opener with skewed support assemblyGREAT PLAINS MFG INC·Filed 2020·Granted Jul 18, 2023·0 cites·20 claims
- 0756US11510356B2Ground opener with floating opener bodyGREAT PLAINS MFG INC·Filed 2020·Granted Nov 29, 2022·0 cites·20 claims
- 0841US2006191928A1Air seeder quick attach hose couplingPTACEK TIMOTHY J·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →