OTIS ENG CO has a total of 1,796 patent applications. Its first patent ever was published in 1945. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets civil engineering, machines and mechanical elements are BROWN OIL TOOLS, OTIS ENG CORP and BAKER OIL TOOLS INC.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 725 | |
#2 | Canada | 283 | |
#3 | United Kingdom | 246 | |
#4 | Norway | 142 | |
#5 | Australia | 81 | |
#6 | Singapore | 71 | |
#7 | Germany | 51 | |
#8 | France | 51 | |
#9 | Netherlands | 38 | |
#10 | Brazil | 26 | |
#11 | EPO (European Patent Office) | 20 | |
#12 | Denmark | 18 | |
#13 | Mexico | 13 | |
#14 | Italy | 8 | |
#15 | WIPO (World Intellectual Property Organization) | 6 | |
#16 | Sweden | 5 | |
#17 | Belgium | 3 | |
#18 | Austria | 2 | |
#19 | China | 2 | |
#20 | Spain | 2 | |
#21 | Greece | 1 | |
#22 | Japan | 1 | |
#23 | New Zealand | 1 |
# | Industry | |
---|---|---|
#1 | Civil engineering | |
#2 | Machines | |
#3 | Mechanical elements | |
#4 | Engines, pumps and turbines | |
#5 | Electrical machinery and energy |
# | Technology | |
---|---|---|
#1 | Earth drilling | |
#2 | Unspecified technologies | |
#3 | Venting or aerating devices | |
#4 | Unspecified technologies | |
#5 | Pipes | |
#6 | Pumps | |
#7 | Electrically-conductive connections | |
#8 | Pistons and sealings | |
#9 | Servomotors | |
#10 | Siphons |
# | Name | Total Patents |
---|---|---|
#1 | Fredd John V | 102 |
#2 | Sizer Phillip S | 78 |
#3 | Dollison William W | 53 |
#4 | Schwendemann Kenneth L | 48 |
#5 | Gano John C | 47 |
#6 | Taylor Donald F | 41 |
#7 | Deaton Thomas M | 40 |
#8 | Canalizo Carlos R | 39 |
#9 | Gazda Imre I | 37 |
#10 | Young Carter R | 36 |
Publication | Filing date | Title |
---|---|---|
SG119593G | Running tool for use with reeled tubing and method of operating same | |
SG116593G | Submersible well pump and well completion system | |
SG62393G | System for handling reeled tubing | |
CA2185170A1 | Retrievable well packer | |
SG28193G | Gate valve with hydraulic actuator | |
GB9303892D0 | Method of making downhole electrical connection | |
GB9312330D0 | Improvements in or relating to shifting tools | |
US5244046A | Coiled tubing drilling and service unit and method for oil and gas wells | |
GB9214991D0 | Method of completing and maintaining a well | |
US5244044A | Catcher sub | |
US5205355A | Subsurface safety valves and method and apparatus for their operation | |
US5211226A | Metal-to-metal seal for oil well tubing string | |
US5224545A | Eccentrically actuated perforating guns | |
US5219025A | Method and apparatus for gravel packing a well through a tubing string | |
US5253705A | Hostile environment packer system | |
US5293551A | Monitor and control circuit for electric surface controlled subsurface valve system | |
US5181569A | Pressure operated valve | |
US5314026A | Landing nipple | |
US5226483A | Safety valve landing nipple and method | |
US5249630A | Perforating type lockout tool |