LANG RICHARD A has a total of 13 patent applications. Its first patent ever was published in 1976. It filed its patents most often in United States, Australia and Canada. Its main competitors in its focus markets audio-visual technology, machines and civil engineering are KIM KUN S, HAMADA TOSHIYA and INDIGITA CORP.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 5 | |
#2 | Australia | 2 | |
#3 | Canada | 2 | |
#4 | India | 2 | |
#5 | Republic of Korea | 1 | |
#6 | WIPO (World Intellectual Property Organization) | 1 |
# | Industry | |
---|---|---|
#1 | Audio-visual technology | |
#2 | Machines | |
#3 | Civil engineering | |
#4 | Transport |
# | Technology | |
---|---|---|
#1 | Special information storage | |
#2 | Television | |
#3 | Doors and windows | |
#4 | Unspecified technologies | |
#5 | Unspecified technologies | |
#6 | Wheelchairs and sledges |
# | Name | Total Patents |
---|---|---|
#1 | Lang Richard A | 12 |
#2 | Walters Eric H | 3 |
#3 | Coad George L | 1 |
Publication | Filing date | Title |
---|---|---|
CA2406858A1 | Retracting screen frame and mechanism for door or window | |
US5337818A | Rollaway extendable planar fabric closure | |
AU662183B2 | Audio/video recorder/transceiver | |
AU5039990A | Audio/video recorder/transceiver | |
US4061046A | Pedal-actuated bicycle gear shift means |