SHELBY SPRING HINGE COMPANY has a total of 14 patent applications. Its first patent ever was published in 1900. It filed its patents most often in United States. Its main competitors in its focus markets civil engineering and machines are OSCAR C RIXSON CO, H B IVES COMPANY and RIXSON OSCAR C.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 14 |
# | Industry | |
---|---|---|
#1 | Civil engineering | |
#2 | Machines |
# | Name | Total Patents |
---|---|---|
#1 | Hubbs Henry E | 6 |
#2 | Malone Levi D | 5 |
#3 | Pittenger Francis H | 4 |
#4 | Stump Abraham L | 3 |
#5 | Brucker Francis | 3 |
#6 | Sullivan Harold R | 1 |
#7 | Neptune Jr Campbell A | 1 |
Publication | Filing date | Title |
---|---|---|
US3021556A | Double acting door closer | |
US2992450A | Sliding door closer | |
US3009191A | Door closer | |
US2908050A | Door closer | |
US2930071A | Door closer | |
US1890814A | Checking floor hinge | |
US1763238A | Door stop and holder | |
US1666903A | Double-acting hinge and check | |
US1211470A | Closure-retaining device. | |
US1180307A | Spring-hinge. | |
US1070708A | Double-acting door-check. | |
US880596A | Spring-hinge. | |
US695124A | Spring-hinge. | |
US684126A | Hinge for doors. |