Tour & Andersson AB
29Patents
5Active
29Granted
34Portfolio score
Filing activity: Mar 1, 1985 → Apr 21, 2011 · 5 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD497977S1 | Sealing ring membrane | General | 506 | Expired |
| US5343927A | Method and a device for press casting | Performing Operations; Transporting | 26 | Expired |
| USD538889S1 | Multifunctional valve | General | 23 | Expired |
| USD677363S1 | Valve and handle for a hydronic system | General | 23 | Active |
| USD335918S | Combined check and control valve | General | 20 | Expired |
| USD599434S1 | Valve cone for a regulating valve | General | 19 | Expired |
| USD365009S | Handle | General | 19 | Expired |
| USD318903S | Shut-off valve | General | 18 | Expired |
| US5170992A | Stop valve | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US8152134B2 | Valve with regulating function | Emerging Cross-Sectional Technologies | 13 | Active |
| US5351744A | Device in a press casting machine and method of using such device | Performing Operations; Transporting | 12 | Expired |
| US7735514B2 | Apparatus for regulating flow of a medium in a heating and cooling system | Emerging Cross-Sectional Technologies | 11 | Active |
| USD479577S1 | Pressure regulator | General | 10 | Expired |
| US5566711A | Combined control and regulating valve for liquids or gases | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4679729A | Apparatus and method for regulating flow and temperature in a central heating installation | Emerging Cross-Sectional Technologies | 9 | Expired |
| USD628679S1 | Valve handle | General | 8 | Expired |
| USD554249S1 | Installation unit in a heating or cooling system | General | 7 | Expired |
| USD625389S1 | Valve | General | 6 | Expired |
| USD652748S1 | Hand unit | General | 5 | Expired |
| US8424556B2 | Valve with a delta P-function and flow limiting function | Emerging Cross-Sectional Technologies | 4 | Active |
| USD617218S1 | Sensor unit | General | 4 | Expired |
| USD299051S | Valve handle | General | 3 | Expired |
| US4715579A | Radiator valve incorporating presetting means | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5188165A | Method and device for pressure die casting | Performing Operations; Transporting | 3 | Expired |
| US5291920A | Apparatus for measurement and control, respectively, of temperature and/or pressure | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.