GRIGSBY ALLISON COMPANY INC has a total of 16 patent applications. Its first patent ever was published in 1946. It filed its patents most often in United Kingdom, United States and Canada. Its main competitors in its focus markets electrical machinery and energy, machines and basic communication technologies are OLVIS NV, FIRST IND CORP and BK PATENT DEV.
# | Country | Total Patents | |
---|---|---|---|
#1 | United Kingdom | 8 | |
#2 | United States | 7 | |
#3 | Canada | 1 |
# | Industry | |
---|---|---|
#1 | Electrical machinery and energy | |
#2 | Machines | |
#3 | Basic communication technologies | |
#4 | Mechanical elements | |
#5 | Machine tools |
# | Technology | |
---|---|---|
#1 | Electric switches | |
#2 | Unspecified technologies | |
#3 | Nails | |
#4 | Tuning resonant circuits | |
#5 | Unspecified technologies | |
#6 | Forging |
# | Name | Total Patents |
---|---|---|
#1 | Allison Kenneth C | 8 |
#2 | Herrick Edward P | 1 |
#3 | Allison Kenneth Clark | 1 |
Publication | Filing date | Title |
---|---|---|
GB827597A | Tuning apparatus | |
US2755347A | Electric switch construction | |
US2650959A | Electric switch | |
US2650960A | Rotary electric switch assembly | |
GB670850A | Multiple section electric switch assemblies | |
GB704951A | Rotary electrical switches | |
US2781144A | Riveting apparatus | |
US2691702A | Push-button electric switch | |
GB651198A | Improvements in or relating to cottering and like securing devices | |
US2474999A | Electric switch assembly | |
GB634171A | Improvements in rotary electric switches | |
US2594840A | Riveted joint | |
CA456906A | Securing device |