John D. Long
21Patents
11h-index
17Co-inventors
72Inventor score
Filing activity: Jun 5, 1978 → Nov 7, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5092255A | Seed boot extension | Human Necessities | 144 | Expired |
| US5443125A | Scraper for planting mechanism gauge wheel | Human Necessities | 81 | Expired |
| US4600060A | Depth sensing structure for an agricultural implement | Human Necessities | 51 | Expired |
| US5090591A | Article dispenser for use with continuous strip of articles | Emerging Cross-Sectional Technologies | 41 | Expired |
| US5522328A | Seed brake | Human Necessities | 24 | Expired |
| US4193458A | Tractor and implement and hydraulic system therefor | Human Necessities | 21 | Expired |
| US5457941A | Envelope stuffing machine | Performing Operations; Transporting | 21 | Expired |
| US5261497A | Multiple implement hitch and steerable wheel assembly therefor | Human Necessities | 18 | Expired |
| US5081942A | Depth adjusting device for a furrow opener | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6782541B1 | System and method of exchanging information between software modules | Physics | 16 | Expired |
| US5029431A | Method and apparatus for packing containers | Performing Operations; Transporting | 11 | Expired |
| US4463813A | Spring mounted standard assembly | Human Necessities | 10 | Expired |
| US8816557B2 | Dynamoelectric device | Electricity | 10 | Active |
| US5239809A | Apparatus for feeding packages from a web of packages to a receptacle | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5358055A | Partial width seeding attachment | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4875527A | Dual implement hitch assembly | Human Necessities | 4 | Expired |
| US4493375A | Method and apparatus for forming and reforming a furrow | Human Necessities | 3 | Expired |
| US4624322A | Harrow with link having spike support attitude control | Human Necessities | 2 | Expired |
| US5385509A | Gear transmission with ratchet o.w.c. and planetary gear set suitable for providing a pulsed drive | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5232056A | Agricultural drawbar and self-locking bushing therefor | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5300342A | Product band | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.