John Lockhart
19Patents
7h-index
12Co-inventors
63Inventor score
Filing activity: Sep 19, 1990 → Oct 21, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6732152B2 | Methods and apparatus for generation and distribution of surface mail objects | Physics | 45 | Expired |
| US8751338B2 | System and method of intra-cycle payment of accrued employee wages | Physics | 16 | Active |
| US7681804B2 | Methods and apparatus for an automatic temperature-controlled valve | Emerging Cross-Sectional Technologies | 14 | Active |
| US8434693B2 | Multifunctional restrictive valve | Emerging Cross-Sectional Technologies | 14 | Active |
| US7878417B2 | Multifunctional restrictive valve | Emerging Cross-Sectional Technologies | 12 | Active |
| US9309655B2 | Multifunctional restrictive valve | Emerging Cross-Sectional Technologies | 11 | Active |
| US10066376B2 | Tub faucet having a control valve without hammering | Mechanical Engineering; Lighting; Heating | 7 | Active |
| USD697586S1 | Fill valve | General | 7 | Active |
| US9611629B2 | Multifunctional restrictive valve | Emerging Cross-Sectional Technologies | 7 | Active |
| US8464962B2 | 3-stage temperature control valve | Fixed Constructions | 6 | Active |
| US5160208A | Loose leaf binder revision device and method of using same | Performing Operations; Transporting | 5 | Expired |
| US7403953B2 | Methods and apparatus for a dynamic messaging engine | Physics | 3 | Expired |
| US11586276B2 | Systems and methods for generating complementary data for visual display | Physics | 3 | Active |
| US9927042B2 | Multifunctional restrictive valve | Emerging Cross-Sectional Technologies | 1 | Active |
| US10753071B2 | Tub faucet having a control valve with reduced backpressure | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US12215487B1 | Tub faucet having a control valve with reduced backpressure | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10301800B2 | Tub faucet having a control valve with reduced backpressure | Emerging Cross-Sectional Technologies | 0 | Active |
| US10808857B2 | Multifunctional restrictive valve | Emerging Cross-Sectional Technologies | 0 | Active |
| US11492787B2 | Tub faucet having a control valve with reduced backpressure | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.