NDC CORPORATION
18Patents
2Active
18Granted
33Portfolio score
Filing activity: Oct 16, 1981 → Sep 2, 2016 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4582368A | Dry bearing | Emerging Cross-Sectional Technologies | 47 | Expired |
| US4552719A | Method of sintering stainless steel powder | Performing Operations; Transporting | 18 | Expired |
| US4928550A | Sliding bearing and crankshaft used for crankshaft-connecting rod assembly | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4789607A | Aluminum bearing alloy and two-layer bearing material having bearing layer of aluminum bearing alloy therein | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4767677A | Multi-layer cylindrical bearing | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4923761A | Bearing material having multiple layer therein and a method of manufacturing the same | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4999257A | Bearing material for an internal combustion engine and compressor | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4857267A | Aluminum base bearing alloy and method of producing same | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5104444A | Aluminum matrix bearing metal alloy | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6197432A | Sliding material having excellent abrasion resistance | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5788737A | Aluminum base sintered material | Performing Operations; Transporting | 5 | Expired |
| US4391854A | Method of making a bearing material containing an aluminum base alloy | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US5073693A | Method for joining metallic members | Performing Operations; Transporting | 4 | Expired |
| US5174015A | Apparatus for manufacturing cylindrical slide bearing | Emerging Cross-Sectional Technologies | 1 | Expired |
| US6953282B2 | Linear guide plain bearing | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US9015866B2 | Glove and attachment therefor | Human Necessities | 1 | Active |
| US6696168B2 | Aluminum-base composite bearing material and method of producing the same | Emerging Cross-Sectional Technologies | 1 | Expired |
| US11173371B2 | Tool for recording number of swings in ball game | Human Necessities | 1 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.