Fuller Company
85Patents
0Active
85Granted
39Portfolio score
Filing activity: Nov 23, 1973 → Jan 29, 1999
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4662799A | Apparatus and process for pneumatically conveying particulate material | Performing Operations; Transporting | 42 | Expired |
| US4767427A | Cartridge filter mounting apparatus | Performing Operations; Transporting | 36 | Expired |
| US4063855A | Compressor capacity and lubrication control system | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4569596A | Pneumatic conveying and material blending apparatus and method | Performing Operations; Transporting | 24 | Expired |
| US4715811A | Process and apparatus for manufacturing low sulfur cement clinker | Chemistry; Metallurgy | 23 | Expired |
| US4094626A | Apparatus for producing cement clinker | Chemistry; Metallurgy | 20 | Expired |
| US5018869A | Method and apparatus using feed conveying fluid for blending the feed and/or separating debris from the feed | Performing Operations; Transporting | 19 | Expired |
| US5772937A | Method to produce aggregate products | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4859177A | Apparatus for incinerating combustible material | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US4606556A | Wear resistant elbow | Performing Operations; Transporting | 16 | Expired |
| US4494564A | Flap valve | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4834544A | Fines separation system for pellet blender | Performing Operations; Transporting | 14 | Expired |
| US4381916A | Method and apparatus for roasting fine grained ores | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US4109966A | Pneumatic conveying device | Chemistry; Metallurgy | 14 | Expired |
| US4260369A | Method of converting a rotary kiln cement making plant to a calcining furnace cement making plant | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US5174747A | Grate plate | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US5104229A | Method and apparatus for blending and withdrawing solid particulate material from a vessel | Performing Operations; Transporting | 14 | Expired |
| US5449141A | Iris diaphragm valve | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US4624636A | Two stage material cooler | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US5145253A | Blender for particulate material | Performing Operations; Transporting | 13 | Expired |
| US4065064A | Liners for crusher | Performing Operations; Transporting | 13 | Expired |
| US4662945A | Process and apparatus for manufacturing low sulfur cement clinker | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US4131418A | Tube coolers for rotary kilns | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US5184730A | Method and apparatus using feed conveying fluid blending the feed and/or separating debris from the feed | Performing Operations; Transporting | 11 | Expired |
| US4118074A | Pulsed air activated conveyor and system | Performing Operations; Transporting | 10 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.