Robert D. Rohr
40Patents
17h-index
29Co-inventors
81Inventor score
Filing activity: Sep 24, 1979 → Jan 5, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5271531A | Dispensing closure with pressure-actuated flexible valve | Performing Operations; Transporting | 159 | Expired |
| US5115950A | Dispensing closure with unitary structure for retaining a pressure-actuated flexible valve | Performing Operations; Transporting | 138 | Expired |
| US4881668A | Closure with open lid retainer | Performing Operations; Transporting | 104 | Expired |
| US5005737A | Flexible dispensing closure having a slitted resilient outlet valve and a flanged vent valve | Emerging Cross-Sectional Technologies | 82 | Expired |
| US5356017A | Child resistant closure with recessed latch | Performing Operations; Transporting | 65 | Expired |
| US6874656B2 | Vented closure | Performing Operations; Transporting | 57 | Expired |
| US4638916A | Closure with snap-type hinge cap | Performing Operations; Transporting | 57 | Expired |
| US5971232A | Dispensing structure which has a pressure-openable valve retained with folding elements | Performing Operations; Transporting | 48 | Expired |
| US5065911A | Two-piece dispensing closure with cantilevered biasing member | Performing Operations; Transporting | 42 | Expired |
| US4709823A | Tamper evident bottle or package closure | Performing Operations; Transporting | 41 | Expired |
| US6378742B1 | Fluid dispensing closure | Performing Operations; Transporting | 34 | Expired |
| US5788108A | Dispensing closure with retractable lid | Performing Operations; Transporting | 33 | Expired |
| US5577626A | Closure with opening assist feature | Performing Operations; Transporting | 29 | Expired |
| US7654418B2 | Airless dispensing pump | Performing Operations; Transporting | 23 | Expired |
| US5494174A | Container with removal resistant closure | Performing Operations; Transporting | 23 | Expired |
| US7367476B2 | Airless dispensing pump with tamper evidence features | Performing Operations; Transporting | 20 | Expired |
| US4333278A | Bladed centrifugal blasting wheel | Performing Operations; Transporting | 19 | Expired |
| USD356949S | Closure | General | 16 | Expired |
| US7891522B2 | Airless dispensing pump | Performing Operations; Transporting | 15 | Active |
| US7568585B2 | Plastic, snap-on capseal | Performing Operations; Transporting | 15 | Active |
| US4291509A | Guard housing and liner for bladed centrifugal blasting wheels | Performing Operations; Transporting | 15 | Expired |
| US7216779B2 | Sealing mechanisms for use in liquid-storage containers | Performing Operations; Transporting | 14 | Expired |
| US7690535B2 | Airless dispensing pump with tamper evidence features | Performing Operations; Transporting | 14 | Active |
| US7353973B2 | Seal retainer for use in liquid-storage containers | Performing Operations; Transporting | 14 | Expired |
| US6843389B2 | Sealing mechanisms for use in liquid-storage containers | Performing Operations; Transporting | 12 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.