Braas GmbH
18Patents
0Active
18Granted
32Portfolio score
Filing activity: Jan 24, 1975 → Sep 29, 1998
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5557897A | Fastening device for a roof sealing strip or the like | Fixed Constructions | 90 | Expired |
| US5002816A | Sealing strip for a ridging | Emerging Cross-Sectional Technologies | 39 | Expired |
| US4544593A | Sealing strip | Emerging Cross-Sectional Technologies | 22 | Expired |
| US6119415A | Pitched roof with an energy collection system | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4272573A | Self-adhesive tape | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5223200A | Method for producing concrete roof tiles | Fixed Constructions | 15 | Expired |
| US4986744A | Apparatus for manufacturing multi-layered concrete roof tiles | Performing Operations; Transporting | 14 | Expired |
| US4573291A | Ridge or hip covering for tiled roofs | Fixed Constructions | 14 | Expired |
| US4330581A | Sealing element | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6105331A | Joist element for fastening a flat, plate-shaped structural element to a pitched roof | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5004415A | Apparatus for producing concrete roof tiles | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4416094A | Attic window assembly | Fixed Constructions | 8 | Expired |
| US5080840A | Method and apparatus for the manufacture of roof covering plates having a transverse flange | Performing Operations; Transporting | 6 | Expired |
| US4126721A | Sealing sheeting | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4036405A | Injection molding machine with feed control | Performing Operations; Transporting | 4 | Expired |
| US6090329A | Method of producing colored concrete bodies such as colored concrete roofing tiles | Chemistry; Metallurgy | 2 | Expired |
| US4036410A | Injection molding machine with feed plunger in hopper | Performing Operations; Transporting | 1 | Expired |
| US6074589A | Tool for cutting and shaping an unfinished concrete roofing tiles and a method for using a tool for cutting and shaping unfinished roofing tiles | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.