FREDERICK LEONARD L has a total of 13 patent applications. Its first patent ever was published in 1973. It filed its patents most often in United States, Germany and Canada. Its main competitors in its focus markets civil engineering, machines and measurement are RIDLEY THOMAS WILLIAM, KONOIKEGUMI KK and SCHNABEL FOUNDATION.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 9 | |
#2 | Germany | 2 | |
#3 | Canada | 1 | |
#4 | EPO (European Patent Office) | 1 |
# | Industry | |
---|---|---|
#1 | Civil engineering | |
#2 | Machines | |
#3 | Measurement |
# | Technology | |
---|---|---|
#1 | Foundations and excavations | |
#2 | Unspecified technologies | |
#3 | Measuring force, work and fluid pressure | |
#4 | Hydraulic engineering |
# | Name | Total Patents |
---|---|---|
#1 | Frederick Leonard L | 13 |
#2 | Greigg Edwin E | 1 |
Publication | Filing date | Title |
---|---|---|
US4366870A | Pile hammer cushion block | |
US4099387A | Sheet steel pile clamp | |
US4075858A | Hydraulic pile driving apparatus and method | |
US4033139A | Pile driving hammer, apparatus and method | |
US4040492A | Modular leads frame with noise abatement system and pile feeder | |
US3897835A | Pile driver drive cap | |
US3927722A | Pile driving moving cylinder hammer with valved, fixed piston | |
US3931729A | Dynamic force measuring instrument for foundation pile and casing | |
US3887017A | Modular leads frame with noise abatement system and pile feeder |