Daniel C. Johnson
42Patents
15h-index
27Co-inventors
81Inventor score
Filing activity: Mar 11, 1987 → Nov 29, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6397517B1 | Bait station with interior mechanical rodent trap | Human Necessities | 87 | Expired |
| US6807768B2 | Bait station with screw-off child-resistant lid | Human Necessities | 65 | Expired |
| US6493988B1 | Bait station with internal card holder | Human Necessities | 61 | Expired |
| US6389738B1 | Alternating rodent insect trap | Human Necessities | 55 | Expired |
| US6508031B1 | Rodent trap with removable bait container | Human Necessities | 52 | Expired |
| US6574912B1 | Pipe or beam mounted rodent trap | Human Necessities | 47 | Expired |
| US6415544B1 | Rodent trap with entrapping teeth | Human Necessities | 43 | Expired |
| USD459428S1 | Multi-catch rodent trap | General | 35 | Expired |
| US6481151B1 | Multiple rodent trap with sliding cover | Human Necessities | 31 | Expired |
| US5950353A | Glue board with aggressive mechanical surface | Human Necessities | 25 | Expired |
| US5577342A | Rodent control glue board | Human Necessities | 25 | Expired |
| US8028468B1 | Bait station and detachable bait station base | Human Necessities | 23 | Active |
| US8793929B1 | Internal ballasted rodent bait station | Mechanical Engineering; Lighting; Heating | 19 | Active |
| US6030710A | Copolymer primer for aluminum alloy food and beverage containers | Emerging Cross-Sectional Technologies | 19 | Expired |
| US6047494A | Mechanical engagement glue board and dispenser | Human Necessities | 16 | Expired |
| US8578649B1 | Weighted base with front wall attachment rodent bait station | Human Necessities | 14 | Active |
| USD409711S | Rodent bait unit | General | 13 | Expired |
| US5144997A | Drapery fixture | Human Necessities | 12 | Expired |
| US9532564B1 | Tamper-resistant rodent bait station | Human Necessities | 10 | Active |
| US5018626A | Curtain rod and end bracket assembly | Human Necessities | 8 | Expired |
| US9538741B1 | Internal ballasted rodent bait station | Mechanical Engineering; Lighting; Heating | 7 | Active |
| US7458182B2 | Live catch rodent trap | Human Necessities | 6 | Active |
| US8984802B1 | Rebaitable rodent bait station | Human Necessities | 6 | Active |
| US4706358A | Tool for removal of rubber exhaust hangers | Emerging Cross-Sectional Technologies | 6 | Expired |
| USD868201S1 | Rodent trap | General | 5 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.