Helmut Lohmann
22Patents
8h-index
29Co-inventors
75Inventor score
Filing activity: May 25, 1994 → Aug 12, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6251989A | Oligomerized organopolysiloxane cocondensate, its production and its use for treatment of surfaces | Chemistry; Metallurgy | 53 | Expired |
| US6382359B1 | Hand/co-traveller lift truck with a holding bar | Performing Operations; Transporting | 36 | Expired |
| US7383915B2 | Drawbar for power-operated industrial truck | Emerging Cross-Sectional Technologies | 13 | Expired |
| US7237645B2 | Steering arm for a walkie/rider truck | Performing Operations; Transporting | 10 | Expired |
| US7641020B2 | Hand rail for a walkie/rider truck | Performing Operations; Transporting | 10 | Active |
| US5433753A | Use of copolymers having polysiloxane units in the treatment of leather and furs | Chemistry; Metallurgy | 10 | Expired |
| US5686011A | Process for waterproofing materials having a fibrous structure and agents used to carry out this process | Chemistry; Metallurgy | 9 | Expired |
| US5575939A | Process for softening/stuffing leather and fur skins | Chemistry; Metallurgy | 8 | Expired |
| US7325655B2 | Steering arm for a walking/rider pallet truck | Performing Operations; Transporting | 6 | Expired |
| US5658484A | Agents and a process for waterproofing leathers and furs | Chemistry; Metallurgy | 5 | Expired |
| US9889894B2 | Industrial truck including a travelling driver stand platform | Performing Operations; Transporting | 4 | Active |
| US6766882B2 | Low lifting floor conveyor truck | Performing Operations; Transporting | 3 | Expired |
| US6133372A | Aqueous polymer dispersion, process for preparing the same and its use in leather production | Chemistry; Metallurgy | 3 | Expired |
| US11167783B2 | Operating head for an industrial truck | Physics | 1 | Active |
| US7055641B2 | Frame for the drive unit of an industrial truck, particularly a stacker lift truck | Performing Operations; Transporting | 1 | Expired |
| US10150521B2 | Industrial truck including a travelling driver stand platform | Performing Operations; Transporting | 1 | Active |
| US11383962B2 | Industrial truck with stand-on platform | Performing Operations; Transporting | 0 | Active |
| US12264054B2 | Base plate for an autonomously guided industrial truck | Performing Operations; Transporting | 0 | Active |
| US7854280B2 | Preassembly unit for the drive of an industrial truck | Performing Operations; Transporting | 0 | Active |
| US11530003B2 | Industrial truck with a driver standing platform | Performing Operations; Transporting | 0 | Active |
| US12103835B2 | Industrial truck having at least one support wheel | Performing Operations; Transporting | 0 | Active |
| US12215011B2 | Autonomously guided industrial truck having a pair of scanner units | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.