Walker Systems, Inc.
28Patents
0Active
28Granted
30Portfolio score
Filing activity: Aug 30, 1991 → Oct 9, 2003
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5675194A | Modular power distribution system | Electricity | 145 | Expired |
| US6175078A | Flush poke-through wiring fitting having a height adjustable data jack mounting bracket | Electricity | 84 | Expired |
| US5546717A | Access floor trench raceway | Electricity | 74 | Expired |
| US5783774A | Non-metallic floor box | Electricity | 62 | Expired |
| US6018126A | Flush poke-through wiring fitting | Electricity | 55 | Expired |
| US6417450B1 | Cover assembly for in-floor devices | Electricity | 47 | Expired |
| US6462277B1 | Cover assembly for an in-floor fitting | Electricity | 38 | Expired |
| US6545215B2 | Split dome cover assembly for an in-floor fitting | Electricity | 34 | Expired |
| US5796037A | Shallow recessed floor box | Electricity | 31 | Expired |
| US5679924A | Non-metallic floor box | Electricity | 31 | Expired |
| US6854226B2 | Cover assembly for an in-floor fitting | Electricity | 31 | Expired |
| US6750395B2 | Poke-thru fitting having polymeric based intumescent material | Electricity | 31 | Expired |
| US5467565A | Method and apparatus for improved activation of services in an office building floor | Fixed Constructions | 30 | Expired |
| US6552262B2 | Cover assembly with pivoting access doors | Electricity | 30 | Expired |
| US5468908A | Floor box for in-floor service distribution systems | Electricity | 26 | Expired |
| US6612081B2 | Water-tight cover assembly for an in-floor fitting | Electricity | 25 | Expired |
| US7082729B2 | Cover assembly for an in-floor fitting | Electricity | 23 | Expired |
| US6316725A | Housings for underfloor raceways | Electricity | 19 | Expired |
| US6720495B2 | Quad receptacle, dual circuit flush poke-through wiring fitting with internally mountable communication/data jacks | Electricity | 17 | Expired |
| US6696640B1 | Quad receptacle, dual circuit flush poke-through wiring fitting with internally mountable communication/data jacks | Electricity | 14 | Expired |
| US6534709B2 | Communications distribution box having improved access | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6072121A | Preset insert housing for underfloor raceways | Electricity | 10 | Expired |
| US6259034A | Wire protection and storage grommet | Electricity | 6 | Expired |
| US6583356B2 | Wire protection grommet for high-speed communications cabling | Electricity | 5 | Expired |
| USD354671S | Floor fitting | General | 4 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.