Lowell B. Campbell
21Patents
9h-index
28Co-inventors
75Inventor score
Filing activity: Oct 22, 1990 → Apr 24, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6186654A | Portable and modular batching and mixing plant for concrete and the like | Performing Operations; Transporting | 113 | Expired |
| US6792112B1 | Encrypting communications between wireless mobile units | Electricity | 82 | Expired |
| US6212496A | Customizing audio output to a user's hearing in a digital telephone | Physics | 45 | Expired |
| US6293689A | High volume portable concrete batching and mixing plant having compulsory mixer with overlying supported silo | Performing Operations; Transporting | 29 | Expired |
| US6527428B2 | High volume portable concrete batching and mixing plant having compulsory mixer with overlying supported silo | Performing Operations; Transporting | 27 | Expired |
| US5078922A | Liquid source bubbler | Performing Operations; Transporting | 23 | Expired |
| US6532005B1 | Audio positioning mechanism for a display | Physics | 23 | Expired |
| US6510225B1 | Ultrasonically-calibrated fast-start echo canceller for cellular and pcs telephone car kits | Electricity | 14 | Expired |
| US9205910B1 | Cargo aircraft for transporting intermodal containers in transverse orientation | Emerging Cross-Sectional Technologies | 10 | Active |
| US8608109B2 | Payload use of wing to body volume in an elliptical fuselage | Performing Operations; Transporting | 8 | Active |
| US9889936B2 | Curved seating layout | Performing Operations; Transporting | 7 | Active |
| US9139283B1 | Cargo aircraft for transporting intermodal containers in transverse orientation | Emerging Cross-Sectional Technologies | 5 | Active |
| US6522878B1 | In-band audio signaling | Electricity | 4 | Expired |
| US9108716B2 | Aircraft having a recessed cavity in an aft pressure bulkhead wall surface and a galley moved rearwardly into the recessed cavity increasing floor space in front of the galley | Emerging Cross-Sectional Technologies | 2 | Active |
| US10627304B2 | Optical device for estimating a center of gravity of an aircraft | Performing Operations; Transporting | 1 | Active |
| US10843787B2 | Heat shield assembly and mounting thereof on aircraft | Emerging Cross-Sectional Technologies | 1 | Active |
| US9193464B1 | Aircraft having a recessed cavity in an aft pressure bulkhead wall surface and a galley moved rearwardly into the recessed cavity increasing floor space in front of the galley | Emerging Cross-Sectional Technologies | 0 | Active |
| US11524764B2 | Aerodynamic brake and method of aerodynamically braking a vehicle | Emerging Cross-Sectional Technologies | 0 | Active |
| US11014646B2 | Aerodynamic brake system and method | Emerging Cross-Sectional Technologies | 0 | Active |
| US9157260B1 | Hydraulically actuated latch mechanism | Emerging Cross-Sectional Technologies | 0 | Active |
| US10850848B2 | Curved seating layout | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.