Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6170341 | Load sensing system | — | 2001-01-09 |
| 6050770 | Stabilization system for load handling equipment | — | 2000-04-18 |
| 5890563 | Lift truck mast hose reeving system with chain guideway | Lev M. Bolotin, Robert Weihe | 1999-04-06 |
| D382573 | Motor Drive | Robert Weihe | 1997-08-19 |
| 5655411 | Dual axis carriage assembly for a control handle | Lev M. Bolotin | 1997-08-12 |
| D379020 | Fork lift truck | — | 1997-04-29 |
| 5585706 | Speed regulation of DC motor using current sensing means | — | 1996-12-17 |
| 5558174 | Drive train assembly | Robert Weihe | 1996-09-24 |
| 5526673 | Material handling vehicle carriage height measurement | — | 1996-06-18 |
| 5487437 | Coupled differential turning control system for electric vehicle traction motors | — | 1996-01-30 |
| 5478196 | Method of handling stacks of baked goods trays | Lev M. Bolotin, Robert Weihe | 1995-12-26 |
| 5453672 | Regulation system for decoupled efficiency optimized operation of DC traction motors | — | 1995-09-26 |
| D362330 | Control handle for a material handling vehicle | Eugene A. Helmetsie | 1995-09-12 |
| D353118 | Material handling vehicle operator display | — | 1994-12-06 |
| 5349279 | Speed-dependent traction motor controller for vehicles | — | 1994-09-20 |
| 5341695 | Material handling vehicle carriage height measurement | — | 1994-08-30 |
| D349677 | Front face of an operator display panel for a material handling vehicle | — | 1994-08-16 |
| 5275255 | Integrated controls and seating configuration for reach-fork vehicles | Robert R. Huntley, Eugene A. Helmetsie | 1994-01-04 |
| 5265021 | Motor vehicle steering system having reversible direction control | — | 1993-11-23 |
| 5264763 | Optimizing system for vehicle traction motors | — | 1993-11-23 |
| D337962 | Material handling vehicle operator display | — | 1993-08-03 |
| D336713 | Control handle for a material handling vehicle | Robert R. Huntley, Eugene A. Helmetsie, Christian D. Gibson, Edward J. McCormick | 1993-06-22 |
| D335741 | Control handle for a material handling vehicle | Edward J. McCormick, Eugene A. Helmetsie, Robert J. Lewis | 1993-05-18 |
| 5181173 | Variable ratio steering system for a motor vehicle | — | 1993-01-19 |
| D327858 | Material handling vehicle display panel | — | 1992-07-14 |