Alan Smith
22Patents
11h-index
11Co-inventors
72Inventor score
Filing activity: Sep 8, 1995 → Nov 30, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5968385A | Engine driven inverter welding power supply | Performing Operations; Transporting | 43 | Expired |
| US6153855A | Control of weld and auxiliary power output of a generator type welding power supply | Performing Operations; Transporting | 36 | Expired |
| US5734147A | Method and apparatus for electronically controlling the output of an engine driven generator welding power supply | Performing Operations; Transporting | 30 | Expired |
| US6469401B2 | Engine driven welding power supply with inverter auxiliary power | Performing Operations; Transporting | 24 | Expired |
| US6111217A | Engine driven inverter welding power supply | Performing Operations; Transporting | 20 | Expired |
| US6310321A | Engine driven inverter welding power supply | Performing Operations; Transporting | 20 | Expired |
| US6469276B1 | Control of weld and auxiliary power output of a generator type welding power supply | Performing Operations; Transporting | 19 | Expired |
| US6674179B2 | Engine driven inverter welding power supply | Performing Operations; Transporting | 18 | Expired |
| US7312419B2 | Engine driven converter with feedback control | Performing Operations; Transporting | 13 | Active |
| US6005220A | Method and apparatus for electronically controlling the output of an engine driven generator welding power supply | Performing Operations; Transporting | 13 | Expired |
| US6894401B2 | Engine driven inverter welding power supply | Performing Operations; Transporting | 13 | Expired |
| US6531685B2 | Separate exciter windings for weld and auxiliary power | Performing Operations; Transporting | 11 | Expired |
| US7112945B2 | Engine driven converter with feedback control | Performing Operations; Transporting | 9 | Expired |
| US6963216B2 | Method and apparatus for detecting shorted rectifying control elements of an engine driven power source for welding-type system | Physics | 2 | Expired |
| US10384290B2 | Engine driven power supplies with output reduction | Performing Operations; Transporting | 1 | Active |
| US10688583B2 | Welding power supplies having adjustable current ramping rates | Electricity | 1 | Active |
| US9086049B2 | Power generating equipment | Emerging Cross-Sectional Technologies | 1 | Active |
| US11848592B2 | Methods and apparatus to control engine speed of a power system | Electricity | 0 | Active |
| US12231010B2 | Methods and apparatus to control engine speed of a power system | Electricity | 0 | Active |
| US11075581B2 | Methods and apparatus to use a switched-mode power supply as a source of power in a service pack | Performing Operations; Transporting | 0 | Active |
| US11097370B2 | Methods and apparatus to control an output of a switched mode power supply in a service pack | Electricity | 0 | Active |
| US11420284B2 | Engine driven power supplies with output reduction | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.