James A. Duggan
50Patents
13h-index
39Co-inventors
84Inventor score
Filing activity: Nov 22, 1989 → May 30, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7841432B2 | Hydro-electric hybrid drive system for motor vehicle | Emerging Cross-Sectional Technologies | 45 | Active |
| US5789002A | Gum sweetener/acid processing system | Human Necessities | 43 | Expired |
| US5452957A | Center bearing assembly including support member containing rheological fluid | Emerging Cross-Sectional Technologies | 34 | Expired |
| US6883967B2 | Center bearing assembly including a support member containing a rheological fluid | Mechanical Engineering; Lighting; Heating | 28 | Expired |
| US6183386A | Differential containing rheological fluid | Mechanical Engineering; Lighting; Heating | 26 | Expired |
| US5601494A | End fitting having adhesive channels for drive shaft assembly | Mechanical Engineering; Lighting; Heating | 26 | Expired |
| US6308882A | Method for joining ductile iron and steel | Performing Operations; Transporting | 19 | Expired |
| US6472001B1 | System for continuously forming center filled gum | Performing Operations; Transporting | 17 | Expired |
| US6838098B2 | Continuous formation of center filled gum | Performing Operations; Transporting | 17 | Expired |
| US6368225B1 | Axially collapsible driveshaft assembly and method of manufacturing same | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6520678B2 | Vehicle center bearing assembly including piezo-based device for vibration damping | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US5756133A | Continuous gum base processing with cooling towers | Human Necessities | 13 | Expired |
| US5045326A | Non-staling aerated bubble gum | Human Necessities | 13 | Expired |
| US7500788B2 | Center bearing assembly having an adjustable pneumatic support member | Mechanical Engineering; Lighting; Heating | 12 | Active |
| US6368224B1 | Sealing assembly for constant velocity joint | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US5792495A | Elastomer processing system for chewing gum | Human Necessities | 11 | Expired |
| USRE36270E | Center bearing assembly including support member containing rheological fluid | General | 11 | Expired |
| US6056429A | Method for processing high molecular weight elastomers | Performing Operations; Transporting | 11 | Expired |
| US5853243A | High molecular weight elastomer processing system for chewing gum | Performing Operations; Transporting | 10 | Expired |
| US6630182B1 | System for continuously producing gum with improved texture and flavor release | Human Necessities | 10 | Expired |
| US6168306A | Adapter member for connecting extruders | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6367680B1 | Component for vehicular driveshaft assembly and method of manufacturing same | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5944266A | Elastomer processing apparatus and system for chewing gum | Human Necessities | 9 | Expired |
| US7140530B2 | Method for joining axle components | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6619119B1 | Balance weight for vehicular driveshaft | Physics | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.