ARO, Inc.
86Patents
10Active
86Granted
42Portfolio score
Filing activity: Sep 20, 1974 → Dec 3, 2014 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4040428A | Control valves for tracheotomy patient or laryngeal prosthesis | Emerging Cross-Sectional Technologies | 100 | Expired |
| US6337458B1 | Method for automatically selecting the welding sequence for manual welding electrode holders; manual welding electrode holder for implementing the method | Performing Operations; Transporting | 77 | Expired |
| US4830586A | Double acting diaphragm pump | Mechanical Engineering; Lighting; Heating | 75 | Expired |
| US4854832A | Mechanical shift, pneumatic assist pilot valve for diaphragm pump | Mechanical Engineering; Lighting; Heating | 64 | Expired |
| USD370683S | Pneumatic cylinder | General | 63 | Expired |
| US4858939A | Bit retention and release mechanism | Emerging Cross-Sectional Technologies | 54 | Expired |
| US5527160A | Mechanical shift, pneumatic assist pilot valve | Mechanical Engineering; Lighting; Heating | 46 | Expired |
| US4844177A | Torque sensing, automatic shut-off and reset clutch for toggle controlled screwdrivers, nutsetters and the like | Performing Operations; Transporting | 42 | Expired |
| US5391060A | Air operated double diaphragm pump | Mechanical Engineering; Lighting; Heating | 35 | Expired |
| US4248267A | Multiple element fluid logic controls | Emerging Cross-Sectional Technologies | 32 | Expired |
| US4880064A | Torque sensing, automatic shut-off and reset clutch for screwdrivers, nutsetters and the like | Performing Operations; Transporting | 32 | Expired |
| US4269223A | Resettable pneumatic overrun control valve | Emerging Cross-Sectional Technologies | 32 | Expired |
| US4936753A | Diaphragm pump with interchangeable valves and manifolds | Mechanical Engineering; Lighting; Heating | 31 | Expired |
| US3952335A | Laryngeal prosthesis | Human Necessities | 31 | Expired |
| US4220361A | Connector for plastic tubing | Emerging Cross-Sectional Technologies | 30 | Expired |
| US4747299A | Method of testing a package seal | Physics | 29 | Expired |
| US5156244A | Torque sensing automatic shut-off and reset clutch for screwdrivers, nutsetters and the like | Performing Operations; Transporting | 28 | Expired |
| US4216630A | Grinder apparatus with pollution control fluid dispensing means | Performing Operations; Transporting | 27 | Expired |
| US5011341A | Two speed gear system for power tool | Emerging Cross-Sectional Technologies | 27 | Expired |
| US5054588A | Torque sensing automatic shut-off and reset clutch for screwdrivers, nutsetters and the like | Performing Operations; Transporting | 26 | Expired |
| USD370488S | Diaphragm pump | General | 26 | Expired |
| US4715215A | Method and apparatus for testing the fluid-tight sealed integrity of a hermetically-sealed package in a rapidly-stabilized environment | Physics | 26 | Expired |
| US4576270A | Torque control and fluid shutoff mechanism for a fluid operated tool | Performing Operations; Transporting | 25 | Expired |
| US4981280A | Solenoid actuated fluid valve | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US8429099B1 | Dynamic gazetteers for entity recognition and fact association | Physics | 23 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.