| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Hinges for doors or windows | |
| #3 | Indexing scheme relating to hinges | |
| #4 | Springs | |
| #5 | Vehicle suspension arrangements | |
| #6 | Vehicle seats |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lefevre Emil B G | 12 |
| Publication | Filing date | Title |
|---|---|---|
| US2211663A | Hinge construction | |
| US2134135A | Adjustable seat for vehicles | |
| US2095416A | Joint for metal links | |
| US2132266A | Gooseneck concealed hinge | |
| US2143736A | Gooseneck hinge | |
| US2083609A | Joint for metal links | |
| US2063686A | Concealed hinge | |
| US2008257A | Concealed door hinge | |
| US2051726A | Concealed door hinge | |
| US2008256A | Concealed door hinge | |
| US2027833A | Automobile door hinge | |
| US2045955A | Automobile door hinge |