Inventor · disambiguated record
Donald Johnson
Also filed as: JOHNSON DONALD · JOHNSON DONALD O
7 granted patents·104 citations·filing 1976–2020
85Inventor score
Files withAMERICAN CAN CO2MUELLER INT LLC2BLOCK DRUG CO1CHAS M FREIDHEIM COMPANY1POLYMER RECOVERY SYSTEMS1
Top patents by PatentIndex Score
7 records- 0182US10722941B2Automated gate cutting systemMUELLER INT LLC·Filed 2018·Granted Jul 28, 2020·2 cites·20 claims
- 0281US11192177B2Automated gate cutting systemMUELLER INT LLC·Filed 2020·Granted Dec 7, 2021·1 cites·20 claims
- 0381US6474522B1Bumper receiver bracket devicePOLYMER RECOVERY SYSTEMS·Filed 2001·Granted Nov 5, 2002·40 cites·10 claims
- 0478USD245340SBuilding blockCHAS M FREIDHEIM COMPANY·Filed 1976·Granted Aug 9, 1977·17 cites·1 claims
- 0568US4361223AMaterial handling apparatusAMERICAN CAN CO·Filed 1980·Granted Nov 30, 1982·20 cites·12 claims
- 0663US5308223APackage handling systemBLOCK DRUG CO·Filed 1991·Granted May 3, 1994·17 cites·7 claims
- 0743US4212584AMaterial handling apparatusAMERICAN CAN CO·Filed 1978·Granted Jul 15, 1980·7 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →