Alliance Development Group Ltd
40Patents
6Active
40Granted
42Portfolio score
Filing activity: Dec 17, 1992 → Dec 7, 2020 · 4 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5601636A | Wall mounted air cleaner assembly | Mechanical Engineering; Lighting; Heating | 108 | Expired |
| US5676041A | Coffee brewing apparatus | Human Necessities | 71 | Expired |
| US6064042A | Reversible self-contained cooking appliance | Human Necessities | 57 | Expired |
| US6555795B2 | Electric cooking appliance with reversible cooking elements | Human Necessities | 44 | Expired |
| US6314237A | Vapor generator | Mechanical Engineering; Lighting; Heating | 41 | Expired |
| US5753002A | High-efficiency air filter | Emerging Cross-Sectional Technologies | 41 | Expired |
| US5512086A | High-efficiency air filtering apparatus | Emerging Cross-Sectional Technologies | 40 | Expired |
| US7975881B1 | Beverage dispenser | Performing Operations; Transporting | 38 | Active |
| US6938886B2 | Apparatus for conditioning air | Emerging Cross-Sectional Technologies | 38 | Expired |
| US5588353A | Automatic bread-making apparatus | Human Necessities | 32 | Expired |
| US8534186B2 | Method and apparatus for brewing hot beverages | Human Necessities | 32 | Active |
| USD491310S1 | Hair wrapping device | General | 29 | Expired |
| US5404803A | Food steamer utensil | Human Necessities | 28 | Expired |
| US6560408B2 | Humidifier | Mechanical Engineering; Lighting; Heating | 28 | Expired |
| USD538577S1 | Beverage dispenser | General | 25 | Expired |
| USD437523S | Coffee grinder | General | 24 | Expired |
| USD491255S1 | Humidifier | General | 24 | Expired |
| US6188836A | Portable radiant heater with two reflectors | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US7270050B2 | Beverage making apparatus | Human Necessities | 22 | Active |
| US7270641B2 | Apparatus for abrading hair and exfoliating skin | Human Necessities | 22 | Expired |
| US5984991A | High-efficiency air filter | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US6006136A | Heating pad | Human Necessities | 20 | Expired |
| USD474561S1 | Hair coloring device | General | 19 | Expired |
| US5720774A | Heating pad | Human Necessities | 18 | Expired |
| US7044137B2 | Hair treating device | Human Necessities | 16 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.