Inventor · disambiguated record
Donald B. Ellingham
Also filed as: ELLINGHAM DONALD B · ELLINGHAM JR DONALD BOUTON
4 granted patents·1 pending application·287 citations·filing 1992–2019
78Inventor score
Files withAKK FOUNDATION LLC1ELLINGHAM DONALD B1KNOX SECURITY ENGINEERING CORP1NISSIM OFER1SIGNIFY HOLDING BV1
Top patents by PatentIndex Score
5 records- 0182US5306957ASwitch lever operating device with automatic timerNISSIM OFER·Filed 1992·Granted Apr 26, 1994·44 cites·11 claims
- 0280US5760694AMoisture detecting devices such as for diapers and diapers having such devicesKNOX SECURITY ENGINEERING CORP·Filed 1996·Granted Jun 2, 1998·237 cites·43 claims
- 0349US11744190B2Horticultural lighting device for sustaining indoor plant growth as well as corresponding horticultural lighting system and methodSIGNIFY HOLDING BV·Filed 2019·Granted Sep 5, 2023·0 cites·20 claims
- 0445US2010328314A1Methods, apparatus and system for energy conservationELLINGHAM DONALD B·Filed 2010·Application pending·0 cites
- 0525US5714212ABalancing jigsaw puzzle sculptureAKK FOUNDATION LLC·Filed 1995·Granted Feb 3, 1998·6 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →