Robert J. Schaap
9Patents
0Active
9Granted
30Portfolio score
Filing activity: Mar 23, 1992 → Apr 3, 2000
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6327741A | Controlled self operated vacuum cleaning system | Human Necessities | 241 | Expired |
| US6076226A | Controlled self operated vacuum cleaning system | Human Necessities | 229 | Expired |
| US5574052A | Agonist-antagonist combination to reduce the use of nicotine and other drugs | Performing Operations; Transporting | 177 | Expired |
| US5935975A | Agonist-antagonist combination to reduce the use of nicotine and other drugs | Performing Operations; Transporting | 130 | Expired |
| US5316759A | Agonist-antagonist combination to reduce the use of nicotine and other drugs | Performing Operations; Transporting | 113 | Expired |
| US5703101A | Agonist-antagonist combination to reduce the use of nicotine and other drugs | Performing Operations; Transporting | 35 | Expired |
| US5726190A | Agonist-antagonist combination to reduce the use of nicotine and other drugs | Performing Operations; Transporting | 34 | Expired |
| US5861422A | Agonist-antagonist combination to reduce the use of nicotine and other drugs | Performing Operations; Transporting | 24 | Expired |
| US6083962A | Agonist-anatagonist combination to reduce the use of nicotine and other drugs | Performing Operations; Transporting | 9 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.