JAHN CARL M has a total of 13 patent applications. Its first patent ever was published in 1958. It filed its patents most often in United States and Canada. Its main competitors in its focus markets civil engineering, machines and packaging and shipping are GATES & SONS, SYMONS CLAMP & MFG CO and WESTERN FORMS INC.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 10 | |
#2 | Canada | 3 |
# | Industry | |
---|---|---|
#1 | Civil engineering | |
#2 | Machines | |
#3 | Packaging and shipping | |
#4 | Mechanical elements | |
#5 | Consumer goods |
# | Technology | |
---|---|---|
#1 | Scaffolding | |
#2 | Saddles | |
#3 | Shaping clay | |
#4 | Unspecified technologies | |
#5 | Construction of roads | |
#6 | Unspecified technologies | |
#7 | Nails | |
#8 | Closing and opening bottles |
# | Name | Total Patents |
---|---|---|
#1 | Jahn Carl M | 13 |
Publication | Filing date | Title |
---|---|---|
US3276185A | Safety stirrup | |
US3216690A | Waler bracket for concrete forms | |
US3235217A | Wedging detent for waler brackets | |
US3203087A | Necked receptacle seal cutter with a ratchet tooth | |
US3238856A | Doweled expansion joint | |
US3203717A | Tie-rod coupler | |
US3108793A | Waler corner coupler | |
US3000605A | Scaffold jack | |
US3030059A | Fixed-cam clamp bracket for concrete forms | |
US2967689A | Clamp bracket for concrete forms | |
CA772085A | Waler bracket for concrete forms | |
CA753568A | Tie-rod coupler | |
CA658703A | Clamp bracket for concrete forms |