Inventor · disambiguated record
Leonard Davidson
Also filed as: DAVIDSON LEONARD · DAVIDSON LEONARD D
8 granted patents·2 pending applications·451 citations·filing 1989–2013
89Inventor score
Files withLADRON DE GUEVARA CESAR3CREATACARD INC2DAVIDSON LEONARD D2PREMIER WASTEWATER INTERNATION2PREMIER WASTWATER INTERNATIONA1
Top patents by PatentIndex Score
10 records- 0193US5615123ASystem for creating and producing custom card productsCREATACARD INC·Filed 1991·Granted Mar 25, 1997·306 cites·10 claims
- 0289US6555002B2Apparatus and method for wastewater treatment with enhanced solids reduction (ESR)PREMIER WASTWATER INTERNATIONA·Filed 2001·Granted Apr 29, 2003·49 cites·3 claims
- 0388US6605220B2Apparatus and method for wastewater treatment with enhanced solids reduction (ESR)PREMIER WASTEWATER INTERNATION·Filed 2002·Granted Aug 12, 2003·33 cites·13 claims
- 0466US8580121B2Method for monitoring and controlling a process for treatment of a treatable fluidLADRON DE GUEVARA CESAR·Filed 2009·Granted Nov 12, 2013·6 cites·17 claims
- 0563US4956905ATool for holding a rotatable lawn mower bladeDAVIDSON LEONARD D·Filed 1989·Granted Sep 18, 1990·22 cites·8 claims
- 0654USH1708HSystem for creating and producing custom card productsCREATACARD INC·Filed 1991·Granted Feb 3, 1998·27 cites·61 claims
- 0754USD309855SLawn mower blade holding toolDAVIDSON LEONARD D·Filed 1989·Granted Aug 14, 1990·7 cites·1 claims
- 0848US9438129B2Input/output power and signal transfer isolator deviceLADRON DE GUEVARA CESAR·Filed 2012·Granted Sep 6, 2016·1 cites·22 claims
- 0947US2014034559A1System for monitoring and controlling a process for treatment of a treatable fluidLADRON DE GUEVARA CESAR·Filed 2013·Application pending·0 cites
- 1029US2004007523A1Apparatus and method for wastewater treatment with enhanced solids reduction (ESR)PREMIER WASTEWATER INTERNATION·Filed 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →