Karsten Laing
65Patents
14h-index
15Co-inventors
81Inventor score
Filing activity: Sep 18, 1978 → Jul 27, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4561133A | Jet stream device | Fixed Constructions | 50 | Expired |
| US6622930B2 | Freeze protection for hot water systems | Emerging Cross-Sectional Technologies | 45 | Expired |
| US5983922A | Instantaneous hot-water delivery system | Emerging Cross-Sectional Technologies | 41 | Expired |
| US5944221A | Instantaneous hot water delivery system with a tank | Mechanical Engineering; Lighting; Heating | 40 | Expired |
| US5143049A | Pump for secondary circulation | Emerging Cross-Sectional Technologies | 35 | Expired |
| US6026844A | Dual reservoir-based hot water recirculation system | Emerging Cross-Sectional Technologies | 34 | Expired |
| US5941275A | Pump for periodic conveyance of the cooled-down water content of a hot water distribution line | Emerging Cross-Sectional Technologies | 32 | Expired |
| US4682581A | Secondary circulation system | Mechanical Engineering; Lighting; Heating | 31 | Expired |
| US4404960A | Roof skin forming a heat sink | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4352215A | Jet stream device | Human Necessities | 21 | Expired |
| US6824354B2 | Pump with selectable suction ports | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US4880362A | Rotor with stabilizing magnets | Electricity | 18 | Expired |
| US6354813B1 | Hydraulically activated three-way-valve | Emerging Cross-Sectional Technologies | 17 | Expired |
| US6149407A | Gas-venting domestic hot water circulation pump | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US4471253A | Stator for ball motors | Electricity | 14 | Expired |
| US4874300A | Ceramic step bearing in a centrifugal pump | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US4730989A | Rotodynamic pump with spherical bearing | Electricity | 11 | Expired |
| US4292773A | Double pane systems with little reflection, in particular for greenhouses | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4834628A | Rotor-magnet unit | Electricity | 11 | Expired |
| US4615662A | Axial thrust compensation for centrifugal pump | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US7392955B1 | System and method for temperature control of hot-water supply system | Physics | 10 | Expired |
| US6897596B2 | Electric motor | Electricity | 10 | Expired |
| US4620120A | Stator having tooth lamination strips lying between circular cylinders | Electricity | 10 | Expired |
| US4728268A | Rotodynamic pump | Electricity | 9 | Expired |
| US4599530A | Rotor supported to be able to wobble | Electricity | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.