POTTER ELECTRIC SIGNAL has a total of 14 patent applications. Its first patent ever was published in 1974. It filed its patents most often in United States and Canada. Its main competitors in its focus markets machines, control and mechanical elements are TECHNICAL GRAPHICS SECURITY PRODUCTS LLC, PROTEX INTERNATIONAL CORP and GAMEWELL FIRE ALARM TELEGRAPH.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 10 | |
#2 | Canada | 4 |
# | Industry | |
---|---|---|
#1 | Machines | |
#2 | Control | |
#3 | Mechanical elements | |
#4 | Electrical machinery and energy | |
#5 | Civil engineering |
# | Technology | |
---|---|---|
#1 | Alarm systems | |
#2 | Unspecified technologies | |
#3 | Electric switches | |
#4 | Springs | |
#5 | Unspecified technologies | |
#6 | Pistons and sealings | |
#7 | Fire-fighting |
# | Name | Total Patents |
---|---|---|
#1 | Ward David M | 5 |
#2 | Wilson Stanley Jr | 3 |
#3 | Baker Robert K | 2 |
#4 | Royse David L | 2 |
#5 | Hopmann Robert E | 2 |
#6 | Wilson Jr Stanley | 1 |
#7 | Borger Robert M | 1 |
#8 | Virkus Mark K | 1 |
Publication | Filing date | Title |
---|---|---|
US4739134A | Valve monitoring switch assembly | |
US4234879A | Plug-type switch | |
US4218677A | Detecting loop digital interface circuitry | |
US4254410A | Pseudo-random pulse line security monitoring system | |
US4203095A | Monitoring apparatus for direct wire alarm system | |
CA1070408A | Double-detecting loop type alarm system | |
US4079363A | Double-detecting loop type alarm system | |
US4063056A | Bi-directional limit switch | |
US3921989A | Non-binding shaft seal assembly for liquid flow detectors | |
US3912247A | Pneumatic retard having stroke-accelerating valve |