ZELM ASSOCIATES INC VAN has a total of 20 patent applications. Its first patent ever was published in 1958. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets transport, mechanical elements and civil engineering are ALL AMERICAN ENG CO, E H ERNST HEINKEL DR ING and STRUCTURAL ELECTRIC PRODUCTS C.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 12 | |
#2 | United Kingdom | 4 | |
#3 | Canada | 2 | |
#4 | Germany | 1 | |
#5 | France | 1 |
# | Industry | |
---|---|---|
#1 | Transport | |
#2 | Mechanical elements | |
#3 | Civil engineering | |
#4 | Basic communication technologies | |
#5 | Packaging and shipping |
# | Technology | |
---|---|---|
#1 | Installations for use in connection with aircrafts | |
#2 | Parachutes | |
#3 | Springs | |
#4 | Platform constructions | |
#5 | Load transportation vehicles | |
#6 | Foundations and excavations | |
#7 | Pulse technique | |
#8 | Winches |
# | Name | Total Patents |
---|---|---|
#1 | Jackson Martin A | 15 |
#2 | Zelm Willem D Van | 6 |
#3 | Jackson Martin Alexander | 3 |
#4 | Knochel Edward S | 2 |
#5 | Knochel Edward Stanley | 2 |
#6 | Stanley Knochel Edward | 1 |
#7 | Zelm Willem Dekkers Van | 1 |
#8 | Dow Joseph W | 1 |
Publication | Filing date | Title |
---|---|---|
GB1186332A | Cargo Tie-Down Apparatus | |
GB1161200A | Energy Absorbing Device. | |
US3366353A | Energy absorbing device | |
US3352516A | Wildcat arresting gear | |
US3377044A | Cargo tie-down apparatus | |
US3383076A | Barricade tensioning stanchion | |
GB1043670A | Energy absorption device | |
US3307832A | Cargo lowering device | |
US3302347A | Drive anchors with retaining flukes | |
US3211260A | Energy absorption device | |
US3132721A | Metal bending compression shock absorber | |
US3087584A | Load limiting shock strut | |
US3017163A | Aerial cargo delivery system | |
DE1207218B | Device for intercepting and destroying high amounts of kinetic energy | |
GB849650A | Low inertia energy absorption unit | |
US2979163A | Low inertia energy absorption unit | |
US2980213A | Energy absorption unit | |
CA626937A | Arresting gear | |
CA756461A | Energy absorption device |