Bachmann Industries, Inc.
23Patents
1Active
23Granted
32Portfolio score
Filing activity: May 29, 1980 → Dec 29, 2011 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4821507A | Gas flow diverter | Emerging Cross-Sectional Technologies | 27 | Expired |
| US5503330A | Track bed simulating assembly for snap together model railroad tracks | Human Necessities | 22 | Expired |
| US4848803A | Fabric expansion joints for exhaust systems of gas turbines | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US4732413A | Expansion joints | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US5752678A | Model railroad track assembly with actuator located within hollow track bed | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5186205A | Valves for use in controlling the flow of a gas stream through ducts of large cross sectional areas | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4493311A | Guillotine damper | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US5823371A | Magnetically actuated coupler assembly | Human Necessities | 11 | Expired |
| USD421281S | Toy train track switch and track bed | General | 11 | Expired |
| US6123298A | Model railroad track assembly with actuator located within hollow track bed | Emerging Cross-Sectional Technologies | 9 | Expired |
| USD549181S1 | Controller | General | 9 | Expired |
| US4493342A | Double louver damper | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4327893A | Guillotine damper | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| USD680595S1 | Model railroad rail | General | 8 | Active |
| US6116264A | Dual damper diverter | Emerging Cross-Sectional Technologies | 7 | Expired |
| USD549184S1 | Controller | General | 7 | Expired |
| USD382607S | Combined toy train track and track bed | General | 6 | Expired |
| USD576690S1 | Toy train track | General | 4 | Expired |
| USRE38990E1 | Magnetically-actuated coupler for model railroad cars | General | 3 | Expired |
| US6131955A | Expansion joint with thermal transition connector | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5870270A | Non-burnout controller for a switching coil | Electricity | 2 | Expired |
| US5918632A | Single-louver damper with double seal | Emerging Cross-Sectional Technologies | 1 | Expired |
| US7201845B1 | System for inserting and removing frames of a fluid transfer system | Performing Operations; Transporting | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.