VALLEE LOUIS L has a total of 19 patent applications. Its first patent ever was published in 1975. It filed its patents most often in United States, Canada and Australia. Its main competitors in its focus markets civil engineering, thermal processes and machines are BROCHU GUY, FREIBORG BENNIE and HICKMAN CO W P.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 9 | |
#2 | Canada | 8 | |
#3 | Australia | 1 | |
#4 | New Zealand | 1 |
# | Industry | |
---|---|---|
#1 | Civil engineering | |
#2 | Thermal processes | |
#3 | Machines |
# | Technology | |
---|---|---|
#1 | Roof coverings | |
#2 | Air-conditioning | |
#3 | Unspecified technologies |
# | Name | Total Patents |
---|---|---|
#1 | Vallee Louis L | 12 |
#2 | Vallee Louis Leonce | 6 |
#3 | Vallee L L | 1 |
Publication | Filing date | Title |
---|---|---|
US4193242A | Sheet metal roofing system | |
CA1058823A | Metal shingle roof traditional design | |
CA1071826A | Metal shingle roof modern design | |
US4138935A | Ventilator | |
AU2014976A | Sheet metal roofing system | |
CA1040381A | Sheet metal roofing system | |
CA1042177A | Metal roofing shingle | |
CA1039557A | Ventilator | |
CA1032725A | Integrated sheet metal roofing system | |
US4014152A | Sheet metal roofing system | |
CA1025627A | Sheet metal roofing system | |
CA1025173A | Sheet metal roofing system |