ALEXANDER BLOCK has a total of 15 patent applications. Its first patent ever was published in 1917. It filed its patents most often in United States and United Kingdom. Its main competitors in its focus markets machines, textiles and paper and civil engineering are WALTER F WRIGHT, AMERICAN SWISS CO and SEGAL LOCK & HARDWARE CO INC.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 12 | |
#2 | United Kingdom | 3 |
# | Industry | |
---|---|---|
#1 | Machines | |
#2 | Textiles and paper | |
#3 | Civil engineering |
# | Technology | |
---|---|---|
#1 | Locks | |
#2 | Unspecified technologies | |
#3 | Typewriters | |
#4 | Unspecified technologies | |
#5 | Photographic composing devices |
# | Name | Total Patents |
---|---|---|
#1 | Alexander Block | 12 |
Publication | Filing date | Title |
---|---|---|
US2055463A | Combination of typographic machines | |
GB156585A | Typewriting machine | |
US1417489A | Typewriting machine | |
GB153898A | Typewriting machines | |
GB153324A | Typewriting machines | |
US1422820A | Lock | |
US1393006A | Lock | |
US1377458A | Keeper | |
US1377457A | Lock | |
US1406437A | Lock | |
US1403836A | Typewriting machine | |
US1377456A | Lock | |
US1344613A | Lock | |
US1389237A | Typewriter | |
US1335217A | Typesetting-machine |