G.B.D. CORP.
129Patents
103Active
129Granted
57Portfolio score
Filing activity: Aug 19, 1998 → Sep 18, 2014 · 39 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6251296A | Apparatus and method for separating particles from a cyclonic fluid flow | Performing Operations; Transporting | 242 | Expired |
| US8146201B2 | Surface cleaning apparatus | Human Necessities | 239 | Active |
| US6228260A | Apparatus for separating particles from a cyclonic fluid flow | Performing Operations; Transporting | 229 | Expired |
| US6221134A | Apparatus and method for separating particles from a cyclonic fluid flow | Emerging Cross-Sectional Technologies | 221 | Expired |
| US6440197B1 | Apparatus and method separating particles from a cyclonic fluid flow including an apertured particle separation member within a cyclonic flow region | Emerging Cross-Sectional Technologies | 214 | Expired |
| US6231645A | Apparatus and method for separating particles from a cyclonic fluid flow utilizing a movable access member associated with a cyclonic separator | Emerging Cross-Sectional Technologies | 206 | Expired |
| US7887612B2 | Vacuum cleaner with a plurality of cyclonic cleaning stages | Emerging Cross-Sectional Technologies | 187 | Active |
| US6874197B1 | Apparatus and method for separating particles from a cyclonic fluid flow | Emerging Cross-Sectional Technologies | 186 | Expired |
| US7803207B2 | Vacuum cleaner with a divider | Emerging Cross-Sectional Technologies | 168 | Active |
| US7867308B2 | Cyclonic array such as for a vacuum cleaner | Emerging Cross-Sectional Technologies | 164 | Active |
| US8484799B2 | Cyclone chamber and dirt collection assembly for a surface cleaning apparatus | Performing Operations; Transporting | 161 | Active |
| US8151407B2 | Surface cleaning apparatus with enlarged dirt collection chamber | Human Necessities | 154 | Active |
| US7776120B2 | Vacuum cleaner with a moveable divider plate | Emerging Cross-Sectional Technologies | 132 | Active |
| US8127398B2 | Convertible surface cleaning apparatus | Human Necessities | 126 | Active |
| US6902596B2 | Air flow passage for a vacuum cleaner | Emerging Cross-Sectional Technologies | 125 | Expired |
| US7449040B2 | Apparatus and method for separating particles from a cyclonic fluid flow | Emerging Cross-Sectional Technologies | 124 | Expired |
| US8607407B2 | Configuration of a hand vacuum cleaner | Human Necessities | 115 | Active |
| US6736873B2 | Air flow passage for a vacuum cleaner | Emerging Cross-Sectional Technologies | 112 | Expired |
| US7941895B2 | Configuration of a cyclone assembly and surface cleaning apparatus having same | Emerging Cross-Sectional Technologies | 99 | Active |
| US9027198B2 | Surface cleaning apparatus | Human Necessities | 98 | Active |
| US8166607B2 | Upright vacuum cleaner | Human Necessities | 96 | Active |
| US7588616B2 | Vacuum cleaner with a plate and an openable dirt collection chamber | Emerging Cross-Sectional Technologies | 91 | Active |
| US6129775A | Terminal insert for a cyclone separator | Emerging Cross-Sectional Technologies | 86 | Expired |
| US8486170B2 | Filter apparatus | Human Necessities | 85 | Active |
| US8640304B2 | Cyclone construction for a surface cleaning apparatus | Human Necessities | 82 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.