US Patent No: 4,928,607

Number of patents in Portfolio can not be more than 2000

Electronically controlled pneumatic seeder

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Importance

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Abstract

The invention provides a pneumatic seeder wherein the various functions are controlled by electronic means. The seed distributors are operated by as many direct current motors, controlled by an electronic device as a function of the forward speed of the seeder, which speed is detected by an encoder. Electronic devices are also used for controlling both the sowing depth and the devices that adjust the seed fall.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
GASPARDO SEMINATRICI S.P.A.MORSANO AL TAGLIAMENTO, IT6
GASPARDO S.P.A., VIA MUSSONS 7 - 33075 MORSANO AL TAGLIAMENTO (PORDENONE)Not Provided1

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Luigi, Gaspardo Morsano Al Tagliamento, IT 1 16

Cited Art

Patent Info (Count) # Cites Year
 
BLACKWELDERS (1)
4,414,792 Height control for agricultural machine 33 1982
 
WEYERHAEUSER COMPANY (1)
4,449,642 Seed planter 29 1983

Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
CNH AMERICA LLC (10)
5,848,571 Seed singulator assembly for a seed metering mechanism 6 1996
6,109,193 Seed planter apparatus and method 31 1998
6,044,779 Multiple drop seed disc 8 1998
6,386,127 Disc opener assembly for a seed planter 10 2000
6,401,638 Seed planter apparatus and method 10 2000
6,374,759 Seed planter apparatus and method 3 2000
6,325,005 Seed planter apparatus and method 6 2000
6,564,730 Seed planter apparatus and method 6 2001
6,776,108 Seed planter apparatus and method 2 2003
6,739,272 Seed planter apparatus and method 1 2003
 
AMVAC CHEMICAL CORPORATION (1)
5,301,848 Electromagnetic meter for closed dispensing container 17 1992
 
BRITISH TECHNOLOGY GROUP LIMITED (1)
4,989,524 Dibber drills 3 1990
 
DUBOIS, JERRY (1)
6,078,635 Seed or particle-counting device 7 1998
 
FLUID POWER INDUSTRIES, INC. (1)
6,081,224 High accuracy, low speed doppler effect radar and signal conditioning circuit useful in agricultural applications 3 1996
 
PARKER HANNIFIN CUSTOMER SUPPORT INC. (1)
5,598,794 High accuracy automatically controlled variable linear seed spacing planting apparatus 24 1995
 
THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF AGRICULTURE (1)
5,524,560 System for controlling vertical displacement of agricultural implements into the soil 9 1994