Inventor · Ahlen, DE

Dirk Speckamp

5Patents
4h-index
12Co-inventors
50Inventor score

Filing activity: Apr 27, 2000 → Jul 20, 2011

Most-cited inventions

PatentTitleAreaCited byStatus
US7343262B2 Self-propelled harvesting machine and operating method therefor Human Necessities 21 Active
US7201652B2 Feeder aids on a feeder drum of a self-propelled combine harvester Human Necessities 7 Expired
US6435966B1 Harvesting machine having transversely rotating conveying drum with conveying tines Human Necessities 5 Expired
US7137882B2 Releasable segment in the working members of an agricultural harvesting machine Human Necessities 4 Expired
US8341926B2 Self-propelled harvesting machine with hydropneumatic dampening system Performing Operations; Transporting 2 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.