CROWN PARTNERSHIP has a total of 11 patent applications. Its first patent ever was published in 1992. It filed its patents most often in United States and Canada. Its main competitors in its focus markets civil engineering are ZHANGJIAGANG MARISTAR CONTAINER MFG CO LTD, BARTELS JOBARID WERK and YAMAZAKI TATSUO.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 6 | |
#2 | Canada | 5 |
# | Industry | |
---|---|---|
#1 | Civil engineering |
# | Technology | |
---|---|---|
#1 | Roof coverings |
# | Name | Total Patents |
---|---|---|
#1 | Greenberg Percy | 11 |
Publication | Filing date | Title |
---|---|---|
CA2289788A1 | Insulated steel construction panels | |
CA2196516A1 | Snap-on coping holddown | |
US5737892A | Channel-mounted interlocking panel roofing structure | |
US5737891A | Channel-mounted interlocking panel roofing structure | |
US5704176A | Snap-on coping holddown | |
US5673523A | Snap-on coping holddown | |
US5519974A | Standing seam roofing panel | |
US5247772A | Standing seam roofing panel |