Murray Corporation
77Patents
1Active
77Granted
37Portfolio score
Filing activity: Nov 13, 1974 → Apr 20, 2006 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4967567A | System and method for diagnosing the operation of air conditioner systems | Mechanical Engineering; Lighting; Heating | 131 | Expired |
| US4982576A | Air conditioner charging station with same refrigerant return and method | Mechanical Engineering; Lighting; Heating | 54 | Expired |
| US4513578A | Weight-monitored air-conditioner charging station | Mechanical Engineering; Lighting; Heating | 50 | Expired |
| US4624112A | Automotive air conditioner charging station with over-ride controls | Mechanical Engineering; Lighting; Heating | 42 | Expired |
| US4308648A | Convoluted hose clamps | Emerging Cross-Sectional Technologies | 40 | Expired |
| US5027605A | Oil injection system for air conditioning equipment | Mechanical Engineering; Lighting; Heating | 40 | Expired |
| US4632434A | Coupling means for tubular members | Mechanical Engineering; Lighting; Heating | 38 | Expired |
| US5509496A | Lawn and garden tractor hydrostatic foot control system | Emerging Cross-Sectional Technologies | 38 | Expired |
| USD419110S | Design for bicycle frame | General | 34 | Expired |
| US4496378A | Accumulator dehydrator | Mechanical Engineering; Lighting; Heating | 33 | Expired |
| US6205755A | Quick change blade assembly for a rotary mower | Human Necessities | 32 | Expired |
| US5442902A | Rotary mower having integrated deflector/mulching plug and improved blade | Human Necessities | 31 | Expired |
| US6347455B2 | String trimmer head | Human Necessities | 29 | Expired |
| US4909042A | Air conditioner charging station with same refrigerant reclaiming and liquid refrigerant return and method | Mechanical Engineering; Lighting; Heating | 27 | Expired |
| US6641497B2 | Epicyclic transmission for zero turning radius vehicles | Mechanical Engineering; Lighting; Heating | 27 | Expired |
| US6672411B1 | Control mechanism for a zero turning radius vehicle | Emerging Cross-Sectional Technologies | 25 | Expired |
| USD460465S1 | Hood for a front engine riding mower | General | 24 | Expired |
| US5711141A | Reversible mower blade | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4383692A | Grommet seal | Electricity | 22 | Expired |
| US4114656A | Hose assembly | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US4142843A | Compressor block and tube assembly | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| USD405030S | Bicycle frame | General | 22 | Expired |
| USD418778S | Bicycle frame | General | 21 | Expired |
| US7434440B2 | Heavy-duty PEX clamp installation tool | Emerging Cross-Sectional Technologies | 20 | Active |
| USD455157S1 | Hood for a front engine riding mower | General | 20 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.