STEWARD PLASTICS has a total of 36 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1973. It filed its patents most often in United States, Australia and Canada. Its main competitors in its focus markets machines, mechanical elements and electrical machinery and energy are RADIUS SYSTEMS LTD, VERA FABRIKKER AS and GEORG FISCHER WAVIN AG.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 12 | |
#2 | Australia | 3 | |
#3 | Canada | 3 | |
#4 | Germany | 3 | |
#5 | EPO (European Patent Office) | 3 | |
#6 | United Kingdom | 3 | |
#7 | New Zealand | 2 | |
#8 | Sweden | 2 | |
#9 | Belgium | 1 | |
#10 | France | 1 | |
#11 | Italy | 1 | |
#12 | Netherlands | 1 | |
#13 | WIPO (World Intellectual Property Organization) | 1 |
# | Industry | |
---|---|---|
#1 | Machines | |
#2 | Mechanical elements | |
#3 | Electrical machinery and energy | |
#4 | Medical technology | |
#5 | Thermal processes |
# | Technology | |
---|---|---|
#1 | Pipes | |
#2 | Shaping of plastics | |
#3 | Special electric heating or lighting | |
#4 | Fillers | |
#5 | Certain plastics | |
#6 | Unspecified technologies | |
#7 | Syringes | |
#8 | Fluid heaters | |
#9 | Static electricity | |
#10 | Unspecified technologies |
# | Name | Total Patents |
---|---|---|
#1 | Carlson Lennart L | 15 |
#2 | Carlson Eric | 8 |
#3 | Hoiberg Douglas I | 6 |
#4 | Steward William L | 3 |
#5 | Brittain Craig | 2 |
#6 | Manson Robert | 2 |
#7 | Carlson Lennart Leopold | 2 |
#8 | Hughes Tamsen | 2 |
#9 | Chronister Daniel | 2 |
#10 | Steward W L | 1 |
Publication | Filing date | Title |
---|---|---|
US2015276097A1 | Helically wound plastic tubing with variable profile thickness and methods of making the same | |
AU2011363028A1 | Flexible tubing with embedded helical conductors and method of making | |
US2011168287A1 | Flexible tubing with dual-level imbedded helical conductors and method of making | |
US5848223A | Double-walled flexible tubing product with helical support bead and heating conductor and apparatus and method for making | |
NZ285260A | Thin-walled flexible plastic tubing with helically bonded bead and electrical resistance conductor, for medical use, and associated forming apparatus | |
US5454061A | Apparatus and method for making flexible tubing with helically wound heating conductor | |
US4375381A | Two piece extruded hose | |
US4337800A | Two piece extruded hose | |
US3966525A | Method of making helically wound plastic tubing | |
US3963856A | Flexible, corrugated, plastic tubing having conductive helical bead | |
US3910808A | Apparatus for making helically wound plastic tubing | |
GB1377926A | Apparatus for making helically wound plastics tubing |