RYMAN ENGINEERING COMPANY has a total of 11 patent applications. Its first patent ever was published in 1947. It filed its patents most often in United States and Canada. Its main competitors in its focus markets machine tools, packaging and shipping and measurement are THIELENHAUS ERNST GMBH & CO KG, FRASER WARREN F and CINCINNATI GRINDERS INC.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 8 | |
#2 | Canada | 3 |
# | Industry | |
---|---|---|
#1 | Machine tools | |
#2 | Packaging and shipping | |
#3 | Measurement | |
#4 | Machines | |
#5 | Mechanical elements |
# | Technology | |
---|---|---|
#1 | Grinding or polishing devices | |
#2 | Measuring length, angles and areas | |
#3 | Handling thin material | |
#4 | Unspecified technologies | |
#5 | Transport or storage devices | |
#6 | Gearing |
# | Name | Total Patents |
---|---|---|
#1 | Roberts William D | 5 |
#2 | Fatula James J | 2 |
#3 | Elmes John A | 2 |
#4 | Fatula Sr James J | 2 |
#5 | Carroll Martin J | 1 |
Publication | Filing date | Title |
---|---|---|
US4499693A | Method of grinding non-uniform workpieces | |
US4428158A | Method and apparatus for grinding irregular surfaces | |
US4292767A | Belt grinder for grinding non-circular workpiece | |
CA1007257A | Self-centering rolls | |
US2798340A | Apparatus for grinding internal surfaces | |
US2712204A | Grinding apparatus of the traveling belt type | |
US2692460A | Grinding apparatus for the traveling belt type | |
US2609610A | Gauge for roll crowns | |
US2479536A | Grinding apparatus of the abrasive belt type | |
CA517417A | Grinding apparatus of the traveling belt type | |
CA518310A | Grinding apparatus of the traveling belt type |