Inventor · Hong Kong, CN

David Dycher

12Patents
4h-index
25Co-inventors
60Inventor score

Filing activity: May 18, 1999 → Oct 31, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US8495784B2 Device having dual renewable blades for treating a target surface and replaceable cartridge therefor Human Necessities 10 Active
US6091916A Retractable shield for a photosensitive member Physics 7 Expired
US8961781B2 Filter status techniques adapted for use with a container based filtration device Physics 6 Active
US6470159B2 Retractable shield for photosensitive member Physics 4 Expired
US10183308B2 Spraying device Fixed Constructions 2 Active
US11554191B2 Dispenser with an improved heater arrangement Performing Operations; Transporting 1 Active
US11911539B2 Device for dispensing, in particular for vaporizing, volatile substances, in particular fragrances and/or active agents Human Necessities 1 Active
US11534520B2 Wicking device for evaporating fragrance having a flow channel Human Necessities 0 Active
USD1078973S1 Dispenser General 0 Active
US11986577B2 Wicking device for evaporation of a fragrance with a wick holder Human Necessities 0 Active
US11980703B2 Dispenser with an improved heater arrangement Performing Operations; Transporting 0 Active
US10232503B2 Device for treating a target surface and having an ergonomically pivoting handle Performing Operations; Transporting 0 Active

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