HADLEY BENJAMIN H has a total of 11 patent applications. Its first patent ever was published in 1944. It filed its patents most often in United States and Canada. Its main competitors in its focus markets electrical machinery and energy, mechanical elements and measurement are MEISENHEIMER JR DANIEL T, BOLENDER KUBITZ MASCH BKM and EMCO WHEATON DTM INC.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 9 | |
#2 | Canada | 2 |
# | Industry | |
---|---|---|
#1 | Electrical machinery and energy | |
#2 | Mechanical elements | |
#3 | Measurement | |
#4 | Materials and metallurgy | |
#5 | Machine tools | |
#6 | Machines |
# | Technology | |
---|---|---|
#1 | Electric switches | |
#2 | Unspecified technologies | |
#3 | Measuring force, work and fluid pressure | |
#4 | Pipes | |
#5 | Casting metal | |
#6 | Accessories for machine tools | |
#7 | Shafts | |
#8 | Turning |
# | Name | Total Patents |
---|---|---|
#1 | Hadley Benjamin H | 11 |
Publication | Filing date | Title |
---|---|---|
US5172477A | Method of producing a flexible hose assembly for a manometer mercury line | |
US5069253A | Flexible hose assembly | |
US2866366A | Drilling machine | |
US2773724A | Thrust block | |
US2670511A | Method of lining bearings | |
US2670509A | Apparatus for lining bearings | |
US2431117A | Backup warning device | |
US2580677A | Vehicle switch for back-up warning | |
US2427453A | Vehicle backup warning device | |
CA13791A | Improvements in belt shippers | |
CA510862A | Method and apparatus for lining bearings |