Arnold Engineering Co., Ltd.
18Patents
0Active
18Granted
31Portfolio score
Filing activity: Feb 22, 1971 → Sep 13, 2001
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5715539A | Gloves and implements containing a flexible magnetic strip to improve grip | Human Necessities | 86 | Expired |
| US4204317A | Method of making a lead frame | Emerging Cross-Sectional Technologies | 83 | Expired |
| US4177089A | Magnetic particles and compacts thereof | Emerging Cross-Sectional Technologies | 34 | Expired |
| US4120704A | Magnetic alloy and processing therefor | Electricity | 22 | Expired |
| US5781843A | Permanent magnets and methods for their fabrication | Performing Operations; Transporting | 11 | Expired |
| US4275655A | Method and apparatus for screen printing registered images on opposite sides of a web | Electricity | 9 | Expired |
| US4289568A | Apparatus for automated application of heat sensitive tape | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5716460A | Methods for making magnetic strips | Chemistry; Metallurgy | 7 | Expired |
| US5653824A | Magnetic strips and methods for making the same | Chemistry; Metallurgy | 5 | Expired |
| US5527399A | Magnetic strips and methods for making the same | Chemistry; Metallurgy | 4 | Expired |
| US4060845A | Portable demagnetizer | Electricity | 4 | Expired |
| US4126511A | Coating selected areas of a substrate | Electricity | 3 | Expired |
| US4059069A | Coating apparatus | Electricity | 3 | Expired |
| US3969456A | Method for making C-shaped magnetizable core | Electricity | 2 | Expired |
| US5611872A | Magnetic strips and methods for making the same | Chemistry; Metallurgy | 2 | Expired |
| US6737451B1 | Thermally stable, high temperature, samarium cobalt molding compound | Electricity | 1 | Expired |
| US4007065A | Hysteresis alloy | Electricity | 0 | Expired |
| US4021273A | Hysteresis alloy | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.