Inventor · disambiguated record
Roy O. Christianson
Also filed as: CHRISTIANSON ROY O
7 granted patents·214 citations·filing 1981–1993
87Inventor score
Technology areasB65G
Files withCHRISTIANSON SYSTEMS INC7
Top patents by PatentIndex Score
7 records- 0194US5163786ACyclone separator with filter assembly for pneumatic conveyorCHRISTIANSON SYSTEMS INC·Filed 1991·Granted Nov 17, 1992·82 cites·3 claims
- 0287US4433946ADischarge system for grain handling apparatusCHRISTIANSON SYSTEMS INC·Filed 1981·Granted Feb 28, 1984·46 cites·5 claims
- 0384US4913597ASilencer for pneumatic grain conveyorCHRISTIANSON SYSTEMS INC·Filed 1987·Granted Apr 3, 1990·43 cites·4 claims
- 0451US4846605APneumatic grain conveyor with universal frameCHRISTIANSON SYSTEMS INC·Filed 1987·Granted Jul 11, 1989·13 cites·11 claims
- 0549US5322098AApparatus and method for conveyance of flowable solid materialsCHRISTIANSON SYSTEMS INC·Filed 1993·Granted Jun 21, 1994·17 cites·8 claims
- 0647USD271105SBulk material handling apparatusCHRISTIANSON SYSTEMS INC·Filed 1981·Granted Oct 25, 1983·5 cites·1 claims
- 0739US4887936ACyclone separator with accelerator plate for pneumatic conveyorCHRISTIANSON SYSTEMS INC·Filed 1987·Granted Dec 19, 1989·8 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →