Ronald A. McMaster
25Patents
12h-index
11Co-inventors
78Inventor score
Filing activity: Jan 6, 1981 → Jun 10, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6146902A | Purification of polysaccharide-protein conjugate vaccines by ultrafiltration with ammonium sulfate solutions | Emerging Cross-Sectional Technologies | 72 | Expired |
| US5004491A | Glass sheet forming method and apparatus utilizing lower full surface vacuum mold and upper ring mold | Chemistry; Metallurgy | 47 | Expired |
| US4470838A | Composite blasthead for quench station of glass sheet tempering system | Chemistry; Metallurgy | 42 | Expired |
| US4404011A | Conveyor roll end cap | Chemistry; Metallurgy | 27 | Expired |
| US6295842A | Uniform distribution quenching of formed glass sheets | Emerging Cross-Sectional Technologies | 24 | Expired |
| US5931981A | Process for quenching glass sheets with a cryogenic liquid and pressurized air | Chemistry; Metallurgy | 23 | Expired |
| US5938808A | Process for cryogenically quenching glass sheets | Chemistry; Metallurgy | 22 | Expired |
| US4822398A | Glass bending and tempering apparatus | Chemistry; Metallurgy | 21 | Expired |
| US4512460A | Glass sheet roller conveyor including antifriction drive chain | Performing Operations; Transporting | 20 | Expired |
| US4525193A | Method and apparatus for supplying cooling air in a glass sheet quench | Chemistry; Metallurgy | 19 | Expired |
| US5230728A | Method and apparatus for thermally stable mold assembly and support | Chemistry; Metallurgy | 18 | Expired |
| US4883527A | Glass sheet bending and tempering apparatus | Chemistry; Metallurgy | 14 | Expired |
| US4515622A | Glass sheet quench including oppositely angled jets | Chemistry; Metallurgy | 11 | Expired |
| US4341546A | Roll drive mechanism for glass sheet processing equipment | Chemistry; Metallurgy | 10 | Expired |
| US4421482A | Conveyor roll for conveying heated glass sheets | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US6422040B1 | Method for forming glass sheets | Chemistry; Metallurgy | 9 | Expired |
| US4909819A | Method for bending glass sheets | Chemistry; Metallurgy | 9 | Expired |
| US5403369A | Apparatus and method for positioning glass sheets | Chemistry; Metallurgy | 8 | Expired |
| US5011525A | Apparatus for high efficient symmetrical quenching of roller conveyed glass sheets | Chemistry; Metallurgy | 5 | Expired |
| US4725300A | Glass sheet heating system including cradled roll conveyor | Chemistry; Metallurgy | 5 | Expired |
| US4517001A | Apparatus for bending glass sheets | Chemistry; Metallurgy | 5 | Expired |
| US6425269B1 | Method for glass sheet forming | Chemistry; Metallurgy | 4 | Expired |
| US5273568A | Apparatus for performing high efficient symmetrical quenching of roller conveyed glass sheets | Chemistry; Metallurgy | 4 | Expired |
| US7086252B2 | System and method for continuous forming of glass sheets | Chemistry; Metallurgy | 3 | Expired |
| US5968220A | Process for modulated cryogenic quenching of glass sheets | Chemistry; Metallurgy | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.