Inventor · disambiguated record
Robert F. Johnson
Also filed as: JOHNSON ROBERT · JOHNSON ROBERT F · JOHNSON ROBERT L
10 granted patents·2 pending applications·104 citations·filing 1977–2021
89Inventor score
Files withJOHNSON ROBERT F4HOWMET CORP2MAXWELL RUSSELLE LANE1MTD PRODUCTS INC1NAT SEMICONDUCTOR CORP1
Top patents by PatentIndex Score
12 records- 0188US10517210B2Multi-mode trimmer headMTD PRODUCTS INC·Filed 2017·Granted Dec 31, 2019·14 cites·13 claims
- 0287US5287910APermanent mold casting of reactive meltHOWMET CORP·Filed 1992·Granted Feb 22, 1994·23 cites·15 claims
- 0381US11067221B1Hand hygiene system and method of useJOHNSON ROBERT F·Filed 2020·Granted Jul 20, 2021·4 cites·2 claims
- 0474US9564071B1Portable marker deviceJOHNSON ROBERT F·Filed 2015·Granted Feb 7, 2017·2 cites·10 claims
- 0574US6719484B1Marker supportFiled 2002·Granted Apr 13, 2004·22 cites·10 claims
- 0673US9165488B1Support device for a postJOHNSON ROBERT F·Filed 2014·Granted Oct 20, 2015·6 cites·6 claims
- 0773US8087450B2Fumed metal oxides for investment castingNYCZ SHAWN·Filed 2008·Granted Jan 3, 2012·12 cites·13 claims
- 0867US5443111APermanent mold for casting reactive meltHOWMET CORP·Filed 1993·Granted Aug 22, 1995·9 cites·5 claims
- 0950US4172741AMethod for laser trimming of bi-FET circuitsNAT SEMICONDUCTOR CORP·Filed 1977·Granted Oct 30, 1979·12 cites·14 claims
- 1046US2005175418A1Portable deer dressing and skinning deviceFiled 2004·Application pending·0 cites
- 1142US2019248286A1Device to remind responsible person of items or persons inadvertently overlookedMAXWELL RUSSELLE LANE·Filed 2018·Application pending·0 cites
- 1229USD1080247SSanitizer dispenserJOHNSON ROBERT F·Filed 2021·Granted Jun 24, 2025·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →