MDF Holdings, Inc.
14Patents
1Active
14Granted
35Portfolio score
Filing activity: Feb 6, 1998 → Jan 15, 2008 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7340260B2 | System and method for tracking the location of multiple mobile radio transceiver units | Physics | 86 | Expired |
| US5950382A | Flat skinned door that simulates a three-dimensional molded skin door and corresponding method | Fixed Constructions | 60 | Expired |
| US6312540A | Method of manufacturing a molded door skin from a flat wood composite, door skin produced therefrom, and door manufactured therewith | Emerging Cross-Sectional Technologies | 51 | Expired |
| US6335082B1 | Reformed medium density fiber board products, such as door skins, and a process for reforming medium density fiber board | Emerging Cross-Sectional Technologies | 31 | Expired |
| US6079183A | Method of manufacturing a molded door skin from a wood composite, door skin produced therefrom, and door manufactured therewith | Performing Operations; Transporting | 29 | Expired |
| US6253507A | Clip for a door frame system | Fixed Constructions | 22 | Expired |
| US6622449B2 | Door panel and method of forming same | Fixed Constructions | 18 | Expired |
| US6309503A | Flat skinned door that simulates a three dimensional molded skin door and corresponding method | Fixed Constructions | 15 | Expired |
| USD478387S1 | Door | General | 15 | Expired |
| US6689301B1 | Method of manufacturing a molded door skin from a wood composite, door skin produced therefrom, and door manufactured therewith | Performing Operations; Transporting | 14 | Expired |
| USD466615S1 | Door | General | 11 | Expired |
| US7657265B2 | System and method for tracking the location of multiple mobile radio transceiver units | Physics | 8 | Active |
| US6267889A | Rotary drum filter | Performing Operations; Transporting | 6 | Expired |
| US6709612B2 | Reformed medium density fiber board products, such as door skins, and a process for reforming medium density fiber board | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.