Class E04D : ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
Subclass 3/02: Roof covering by making use of flat or curved slabs or stiff sheets (E04D 1/00 takes precedence; built-up roofs E04D 11/02) of plane slabs, slates, or sheets, or in which the cross-section is unimportant (E04D 3/35 takes precedence)
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11697940 | Enhanced roofing system | May 17, 19 | Jul 11, 23 | Not available |
| 11566427 | Enhanced roofing system | May 17, 19 | Jan 31, 23 | Not available |
| 11339573 | Enhanced roofing system | May 17, 19 | May 24, 22 | Not available |
| 11149436 | Enhanced roofing system | May 17, 19 | Oct 19, 21 | Not available |
| 10968633 | Enhanced roofing system | May 17, 19 | Apr 06, 21 | Not available |
| 10879842 | Roofing, cladding or siding module or apparatus | Oct 12, 17 | Dec 29, 20 | ZinniaTek Limited |
| 10626616 | Reverse ballasted roof system | Jan 31, 19 | Apr 21, 20 | Not available |
| 10214906 | Reverse ballasted roof system | Jul 06, 15 | Feb 26, 19 | Not available |
| 9822522 | Arched cabin | Jan 06, 17 | Nov 21, 17 | Not available |
| 9670672 | Roof panel system | Dec 03, 15 | Jun 06, 17 | Not available |
| 9353527 | Roof mounting bracket and barricade system | Oct 20, 14 | May 31, 16 | Sno-Gem, Inc. |
| 9322176 | Sustainable energy efficient roof system | Jul 06, 15 | Apr 26, 16 | Not available |
| 7984596 | Roof assembly improvements providing increased load bearing | Sep 28, 07 | Jul 26, 11 | Harold Simpson, Inc. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0360,672 | SHINGLE ASSEMBLY, SYSTEM, AND METHOD FOR ASSEMBLING SHINGLES | Dec 07, 23 | Oct 31, 24 | Not available |
| 2019/0161,971 | REVERSE BALLASTED ROOF SYSTEM | Jan 31, 19 | May 30, 19 | Not available |
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