Inventor · Mount Pleasant, WI, US

Mark E. Wefler

37Patents
20h-index
27Co-inventors
85Inventor score

Filing activity: Oct 22, 1987 → Apr 15, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
US5647053A Vapor dipensing device Human Necessities 143 Expired
USD393063S Volatile liquid dispenser General 85 Expired
US6123935A Air freshener dispenser device with disposable heat-activated cartridge Human Necessities 84 Expired
US5903710A Air freshener dispenser device with disposable heat-promoted cartridge Human Necessities 80 Expired
US5945094A Disposable plug-in dispenser for use with air freshener and the like Human Necessities 68 Expired
USD386974S Combined bottle and cap General 66 Expired
USD469862S1 Volatile actives dispenser General 58 Expired
US4777670A Under-the-rim dispensing unit Performing Operations; Transporting 53 Expired
US5976503A Disposable plug-in air freshener with heat activated cartridge Human Necessities 50 Expired
US5548922A Insect bait station Human Necessities 49 Expired
USRE38150E1 Wick-based liquid emanation system with child-resistant overcap General 45 Expired
USD606185S1 Air freshener General 43 Expired
US5501033A Two-stage liquid delivery bait station Human Necessities 42 Expired
USD512769S1 Volatile actives dispenser General 41 Expired
USD512136S1 Volatile actives dispenser General 39 Expired
USD326411S Bottle General 37 Expired
USD551750S1 Diffuser General 35 Expired
USD584809S1 Dispensing device General 30 Expired
USD313345S Spray container General 28 Expired
USD639923S1 Dispensing device General 25 Expired
US7643734B2 Bottle eject mechanism Human Necessities 20 Expired
USD327011S Bottle General 18 Expired
US6055679A Passive lavatory cleanser dispensing system Fixed Constructions 17 Expired
USD541922S1 Diffuser General 15 Expired
US7840123B2 Diffusion device Human Necessities 15 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.