GEM CITY ENG CO has a total of 14 patent applications. Its first patent ever was published in 1971. It filed its patents most often in United States, Switzerland and United Kingdom. Its main competitors in its focus markets machine tools, machines and transport are STRIPPIT DI ACRO HOUDAILLE INC, WILSON TOOL CO and UNIPUNCH PRODUCTS.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 5 | |
#2 | Switzerland | 2 | |
#3 | United Kingdom | 2 | |
#4 | Germany | 1 | |
#5 | EPO (European Patent Office) | 1 | |
#6 | France | 1 | |
#7 | Italy | 1 | |
#8 | Japan | 1 |
# | Industry | |
---|---|---|
#1 | Machine tools | |
#2 | Machines | |
#3 | Transport |
# | Technology | |
---|---|---|
#1 | Punching metal | |
#2 | Unspecified technologies | |
#3 | Vehicle windows, roofs and doors | |
#4 | Accessories for machine tools |
# | Name | Total Patents |
---|---|---|
#1 | Davis Robert W | 4 |
#2 | Cook Sen Robert G | 1 |
#3 | Roobaato Daburiyu Deebisu | 1 |
#4 | Cook R | 1 |
#5 | Waizmann George H | 1 |
#6 | Laughman Kerry L | 1 |
#7 | Waizmann G | 1 |
#8 | Harney Thomas H | 1 |
#9 | Suitts Terry R | 1 |
#10 | Davis Daniel J | 1 |
Publication | Filing date | Title |
---|---|---|
US6532787B2 | Process of manufacturing a core metal insert | |
US5783312A | Expanded metal strip for reinforcing a resilient product | |
US5199142A | Production of expanded metal strip for reinforcing a resilient product | |
GB1409269A | Die apparatus for fine blank stamping | |
US3752028A | Die apparatus for fine blank stamping |