Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
EM

Eric E. Muhlenkamp

Panasonic: 9 patents #2,933 of 21,108Top 15%
Danville, KY: #9 of 100 inventorsTop 9%
Kentucky: #1,225 of 11,577 inventorsTop 15%
Overall (All Time): #575,475 of 4,157,543Top 15%
9 Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
9155433 Floor cleaning apparatus with filter drawer Joseph Blue Wofford 2015-10-13
8887352 Canister vacuum cleaner incorporating a control handle and nozzle assembly with upright swivel lock 2014-11-18
8533903 Dirt cup assembly with a pre-filter having a plurality of ribs Joe M. Reynolds, Jeffrey T. Roney 2013-09-17
7636983 Floor care apparatus with telescoping handle stalk 2009-12-29
7219389 Nozzle assembly housing for vacuum cleaner Danielle Hafling 2007-05-22
7165286 Agitator construction Jeffrey T. Roney 2007-01-23
7007336 Agitator construction Jeffrey T. Roney 2006-03-07
6859970 Agitator for vacuum cleaner/extractor Jeffrey T. Roney 2005-03-01
6832408 Caddy for vacuum cleaner tool and accessories Jeffrey T. Roney 2004-12-21