WARTIAN LOCK CO has a total of 31 patent applications. Its first patent ever was published in 1953. It filed its patents most often in United States and Canada. Its main competitors in its focus markets machines, civil engineering and transport are VELTO INDUSTRIES LTD, LANGENAU MFG COMPANY and GRAND RAPIDS BRASS CO.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 17 | |
#2 | Canada | 14 |
# | Industry | |
---|---|---|
#1 | Machines | |
#2 | Civil engineering | |
#3 | Transport |
# | Technology | |
---|---|---|
#1 | Unspecified technologies | |
#2 | Bolts for doors or windows | |
#3 | Locks | |
#4 | Unspecified technologies | |
#5 | Hinges for doors or windows | |
#6 | Vehicle parts | |
#7 | Wing fittings | |
#8 | Indexing scheme relating to hinges |
# | Name | Total Patents |
---|---|---|
#1 | Wartian George | 21 |
#2 | George Wartian | 10 |
Publication | Filing date | Title |
---|---|---|
US4576405A | Door latch mechanism | |
US4552393A | Door latch mechanism | |
CA1230148A | Door latch mechanism | |
CA1198754A | Door latch mechanism | |
CA1191521A | Door latch | |
US4520639A | Double dead bolt door lock | |
US4432576A | Door latch | |
US3928889A | Combination bracket and elastomeric element therefor | |
US3633390A | Latch | |
US3623344A | Door latch | |
US3267513A | Closer for sliding door | |
US3287052A | Door latch and lock | |
US3188840A | Door latch and lock | |
US3040555A | Sliding door latch | |
US2990211A | Adjustable strike plate | |
US2924478A | Door latch | |
US2924087A | Door latch | |
US2824441A | Door latch and lock | |
US2773376A | Door latch and lock | |
US2700566A | Latch mechanism |