Karl D. Lerch
39Patents
15h-index
12Co-inventors
78Inventor score
Filing activity: Nov 26, 1979 → Feb 25, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5520701A | Set for the treatment of vascular deformations | Emerging Cross-Sectional Technologies | 395 | Expired |
| US5800436A | Device for postoperative fixation back into the cranium of a plug of bone removed therefrom during a surgical operation | Human Necessities | 144 | Expired |
| US6921401B2 | Surgical connecting element for fixing adjacently arranged bone plates | Human Necessities | 74 | Expired |
| USD277494S | Toy pickup truck | General | 69 | Expired |
| US6270500A | Device for postoperative fixation back into the cranium of a plug of bone removed therefrom during a surgical operation | Human Necessities | 57 | Expired |
| USD314406S | Toy safe | General | 43 | Expired |
| US6328743A | Device for postoperative fixation back into the cranium of a plug of bone removed therefrom during a surgical operation | Human Necessities | 36 | Expired |
| US8403929B2 | Implant for securing neighboring bone plates | Human Necessities | 33 | Active |
| US6068631A | Device for postoperative fixation back into the cranium of a plug of bone removed therefrom during a surgical operation | Human Necessities | 31 | Expired |
| USD316722S | Keyboard | General | 22 | Expired |
| US6656010B1 | Children's ride-on vehicle | Emerging Cross-Sectional Technologies | 21 | Expired |
| US6962591B2 | Device for postoperative fixation back into the cranium of a plug of bone removed therefrom during a surgical operation | Human Necessities | 19 | Expired |
| US6755265B2 | Children's ride-on vehicle | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6702818B2 | Surgical drilling device for perforating the cranium | Human Necessities | 17 | Expired |
| USD315744S | Electronic guitar | General | 16 | Expired |
| USD410258S | Children's ride-on vehicle | General | 15 | Expired |
| USD428068S | Children's ride-on vehicle | General | 14 | Expired |
| USD306093S | Umbrella | General | 14 | Expired |
| US6120345A | Ride-on vehicle with a free-floating wheel | Performing Operations; Transporting | 13 | Expired |
| USD437007S | Children's ride-on vehicle | General | 11 | Expired |
| US5280651A | Portable sound system having a detachable headset for selectively engaging the body to form a carrying handle | Electricity | 11 | Expired |
| US4763679A | Toy umbrella | Human Necessities | 11 | Expired |
| USD429774S | Children's ride-on vehicle | General | 11 | Expired |
| USD279806S | Toy space vehicle | General | 10 | Expired |
| US6994179B2 | Children's ride-on vehicle | Emerging Cross-Sectional Technologies | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.