TOMKINS JOHNSON CO has a total of 16 patent applications. Its first patent ever was published in 1937. It filed its patents most often in United Kingdom, United States and Canada. Its main competitors in its focus markets mechanical elements, engines, pumps and turbines and electrical machinery and energy are AGIMAN JACQUES, APP DE TRANSMISSION SOC D and BUTTERWORTH HYDRAULIC DEV LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | United Kingdom | 4 | |
#2 | United States | 4 | |
#3 | Canada | 3 | |
#4 | France | 3 | |
#5 | Germany | 2 |
# | Industry | |
---|---|---|
#1 | Mechanical elements | |
#2 | Engines, pumps and turbines | |
#3 | Electrical machinery and energy | |
#4 | Machine tools |
# | Technology | |
---|---|---|
#1 | Servomotors | |
#2 | Machines | |
#3 | Electric switches | |
#4 | Pistons and sealings | |
#5 | Positive-displacement engines | |
#6 | Forging |
# | Name | Total Patents |
---|---|---|
#1 | Corwin Howard D | 2 |
#2 | Watson Tindale P | 2 |
#3 | Vandenburgh Robert D | 2 |
#4 | Ward Loyd A | 1 |
#5 | Halladay Merton E | 1 |
#6 | D Vandenburgh Robert | 1 |
#7 | P Watson Tindale | 1 |
#8 | White Charles William | 1 |
#9 | Halladay Merton Emerson | 1 |
#10 | White Charles W | 1 |
Publication | Filing date | Title |
---|---|---|
FR1520108A | Motor unit with expanding chamber | |
US3414693A | Cylinder head limit switch assembly | |
FR1394623A | Actuating device or cylinder with expanding chamber | |
FR1361239A | Expansion motor with end-of-stroke damper for its piston | |
US3196753A | Cushion control and surge relief | |
US3038448A | Cylinder construction | |
GB779280A | Improvements in means for cushioning the pistons of fluid-pressure operated piston and cylinder assemblies | |
GB714374A | Improvements in and relating to piston and cylinder assemblies | |
US2298852A | Actuating mechanism for riveting machines | |
CA605364A | Cushioning structure for hydraulic motor | |
CA719509A | Cylinder cushion structure | |
CA817672A | Cylinder head limit switch assembly |