
Li Wu Chang
Examiner (ID: 335, Phone: (571)270-3809 , Office: P/2124 )
| Most Active Art Unit | 2124 |
| Art Unit(s) | 2142, 2129, 2124 |
| Total Applications | 877 |
| Issued Applications | 744 |
| Pending Applications | 34 |
| Abandoned Applications | 120 |
Applications
| Application number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 2380224
[patent_doc_number] => 04662800
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1987-05-05
[patent_title] => 'Grain and fertilizer collector'
[patent_app_type] => 1
[patent_app_number] => 6/630798
[patent_app_country] => US
[patent_app_date] => 1984-07-13
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 7
[patent_no_of_words] => 2499
[patent_no_of_claims] => 3
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 358
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/662/04662800.pdf
[firstpage_image] =>[orig_patent_app_number] => 630798
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/630798 | Grain and fertilizer collector | Jul 12, 1984 | Issued |
Array
(
[id] => 2272380
[patent_doc_number] => 04610575
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1986-09-09
[patent_title] => 'Apparatus for removing quantities of fiber from bales for blending purposes and the like'
[patent_app_type] => 1
[patent_app_number] => 6/628038
[patent_app_country] => US
[patent_app_date] => 1984-07-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 17
[patent_no_of_words] => 4278
[patent_no_of_claims] => 9
[patent_no_of_ind_claims] => 6
[patent_words_short_claim] => 116
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/610/04610575.pdf
[firstpage_image] =>[orig_patent_app_number] => 628038
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/628038 | Apparatus for removing quantities of fiber from bales for blending purposes and the like | Jul 4, 1984 | Issued |
Array
(
[id] => 2214888
[patent_doc_number] => 04578002
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1986-03-25
[patent_title] => 'Transport apparatus for flat articles'
[patent_app_type] => 1
[patent_app_number] => 6/619769
[patent_app_country] => US
[patent_app_date] => 1984-06-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 4
[patent_no_of_words] => 1602
[patent_no_of_claims] => 6
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 177
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/578/04578002.pdf
[firstpage_image] =>[orig_patent_app_number] => 619769
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/619769 | Transport apparatus for flat articles | Jun 11, 1984 | Issued |
Array
(
[id] => 2217181
[patent_doc_number] => 04609309
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1986-09-02
[patent_title] => 'Process and apparatus for the transport of powdered or particulate material'
[patent_app_type] => 1
[patent_app_number] => 6/619599
[patent_app_country] => US
[patent_app_date] => 1984-06-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 2
[patent_no_of_words] => 2503
[patent_no_of_claims] => 5
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 141
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/609/04609309.pdf
[firstpage_image] =>[orig_patent_app_number] => 619599
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/619599 | Process and apparatus for the transport of powdered or particulate material | Jun 10, 1984 | Issued |
Array
(
[id] => 2130660
[patent_doc_number] => 04551042
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1985-11-05
[patent_title] => 'Transfer system for fish and similar articles'
[patent_app_type] => 1
[patent_app_number] => 6/611179
[patent_app_country] => US
[patent_app_date] => 1984-05-17
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 2729
[patent_no_of_claims] => 10
[patent_no_of_ind_claims] => 7
[patent_words_short_claim] => 29
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/551/04551042.pdf
[firstpage_image] =>[orig_patent_app_number] => 611179
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/611179 | Transfer system for fish and similar articles | May 16, 1984 | Issued |
Array
(
[id] => 2171687
[patent_doc_number] => 04547099
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1985-10-15
[patent_title] => 'Gate of the pipe-line of a pneumatic conveyer'
[patent_app_type] => 1
[patent_app_number] => 6/606837
[patent_app_country] => US
[patent_app_date] => 1984-04-13
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 3
[patent_no_of_words] => 1385
[patent_no_of_claims] => 4
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 148
[patent_maintenance] => 1
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/547/04547099.pdf
[firstpage_image] =>[orig_patent_app_number] => 606837
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/606837 | Gate of the pipe-line of a pneumatic conveyer | Apr 12, 1984 | Issued |
Array
(
[id] => 2237657
[patent_doc_number] => 04621952
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1986-11-11
[patent_title] => 'Fluidized bed discharge process'
[patent_app_type] => 1
[patent_app_number] => 6/596366
[patent_app_country] => US
[patent_app_date] => 1984-04-03
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 2
[patent_no_of_words] => 2520
[patent_no_of_claims] => 7
[patent_no_of_ind_claims] => 4
[patent_words_short_claim] => 203
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/621/04621952.pdf
[firstpage_image] =>[orig_patent_app_number] => 596366
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/596366 | Fluidized bed discharge process | Apr 2, 1984 | Issued |
Array
(
[id] => 2172391
[patent_doc_number] => 04557636
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1985-12-10
[patent_title] => 'Injection of solids into a high pressure slurry stream'
[patent_app_type] => 1
[patent_app_number] => 6/593019
[patent_app_country] => US
[patent_app_date] => 1984-03-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 3
[patent_no_of_words] => 3385
[patent_no_of_claims] => 7
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 213
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/557/04557636.pdf
[firstpage_image] =>[orig_patent_app_number] => 593019
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/593019 | Injection of solids into a high pressure slurry stream | Mar 25, 1984 | Issued |
Array
(
[id] => 2194774
[patent_doc_number] => 04548529
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1985-10-22
[patent_title] => 'Process for transporting particulate material from a low pressure zone to a gas-containing elevated pressure zone'
[patent_app_type] => 1
[patent_app_number] => 6/579738
[patent_app_country] => US
[patent_app_date] => 1984-02-13
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 1
[patent_no_of_words] => 2560
[patent_no_of_claims] => 14
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[patent_words_short_claim] => 255
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[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/548/04548529.pdf
[firstpage_image] =>[orig_patent_app_number] => 579738
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/579738 | Process for transporting particulate material from a low pressure zone to a gas-containing elevated pressure zone | Feb 12, 1984 | Issued |
Array
(
[id] => 2251613
[patent_doc_number] => 04588330
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1986-05-13
[patent_title] => 'Device for starting and braking containers and locking them after they are stopped'
[patent_app_type] => 1
[patent_app_number] => 6/584948
[patent_app_country] => US
[patent_app_date] => 1984-02-02
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 4
[patent_no_of_words] => 3439
[patent_no_of_claims] => 6
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 237
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[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/588/04588330.pdf
[firstpage_image] =>[orig_patent_app_number] => 584948
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/584948 | Device for starting and braking containers and locking them after they are stopped | Feb 1, 1984 | Issued |
Array
(
[id] => 2191253
[patent_doc_number] => 04541518
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1985-09-17
[patent_title] => 'Material flow rail'
[patent_app_type] => 1
[patent_app_number] => 6/575769
[patent_app_country] => US
[patent_app_date] => 1984-02-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 6
[patent_no_of_words] => 2085
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/541/04541518.pdf
[firstpage_image] =>[orig_patent_app_number] => 575769
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/575769 | Material flow rail | Jan 31, 1984 | Issued |
Array
(
[id] => 2257278
[patent_doc_number] => 04564318
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1986-01-14
[patent_title] => 'Gate of the pipe-line of a pneumatic conveyer used for transporting containers'
[patent_app_type] => 1
[patent_app_number] => 6/584258
[patent_app_country] => US
[patent_app_date] => 1984-01-31
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[patent_drawing_sheets_cnt] => 2
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[pdf_file] => patents/04/564/04564318.pdf
[firstpage_image] =>[orig_patent_app_number] => 584258
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/584258 | Gate of the pipe-line of a pneumatic conveyer used for transporting containers | Jan 30, 1984 | Issued |
Array
(
[id] => 2216836
[patent_doc_number] => 04582454
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1986-04-15
[patent_title] => 'Apparatus and method for feeding pulverized coal into an air line to a blast furnace'
[patent_app_type] => 1
[patent_app_number] => 6/566729
[patent_app_country] => US
[patent_app_date] => 1983-12-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 4
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[pdf_file] => patents/04/582/04582454.pdf
[firstpage_image] =>[orig_patent_app_number] => 566729
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/566729 | Apparatus and method for feeding pulverized coal into an air line to a blast furnace | Dec 28, 1983 | Issued |
Array
(
[id] => 2191970
[patent_doc_number] => 04541570
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1985-09-17
[patent_title] => 'Endgate for manure spreader'
[patent_app_type] => 1
[patent_app_number] => 6/558824
[patent_app_country] => US
[patent_app_date] => 1983-12-07
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/541/04541570.pdf
[firstpage_image] =>[orig_patent_app_number] => 558824
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/558824 | Endgate for manure spreader | Dec 6, 1983 | Issued |
Array
(
[id] => 2140009
[patent_doc_number] => 04552489
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1985-11-12
[patent_title] => 'Vehicular mobile high capacity pneumatic conveyor'
[patent_app_type] => 1
[patent_app_number] => 6/551103
[patent_app_country] => US
[patent_app_date] => 1983-11-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
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[pdf_file] => patents/04/552/04552489.pdf
[firstpage_image] =>[orig_patent_app_number] => 551103
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/551103 | Vehicular mobile high capacity pneumatic conveyor | Nov 13, 1983 | Issued |
Array
(
[id] => 2171783
[patent_doc_number] => 04508204
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1985-04-02
[patent_title] => 'Gravity feed chute'
[patent_app_type] => 1
[patent_app_number] => 6/551227
[patent_app_country] => US
[patent_app_date] => 1983-11-14
[patent_effective_date] => 0000-00-00
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/508/04508204.pdf
[firstpage_image] =>[orig_patent_app_number] => 551227
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/551227 | Gravity feed chute | Nov 13, 1983 | Issued |
Array
(
[id] => 2244049
[patent_doc_number] => 04605329
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1986-08-12
[patent_title] => 'Hydraulic transportation of objects'
[patent_app_type] => 1
[patent_app_number] => 6/545347
[patent_app_country] => US
[patent_app_date] => 1983-10-25
[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/04/605/04605329.pdf
[firstpage_image] =>[orig_patent_app_number] => 545347
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/545347 | Hydraulic transportation of objects | Oct 24, 1983 | Issued |
Array
(
[id] => 2237302
[patent_doc_number] => 04616960
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1986-10-14
[patent_title] => 'Air conveyor components'
[patent_app_type] => 1
[patent_app_number] => 6/543976
[patent_app_country] => US
[patent_app_date] => 1983-10-20
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[pdf_file] => patents/04/616/04616960.pdf
[firstpage_image] =>[orig_patent_app_number] => 543976
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/543976 | Air conveyor components | Oct 19, 1983 | Issued |
Array
(
[id] => 2149856
[patent_doc_number] => 04516887
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1985-05-14
[patent_title] => 'Feeder deflection compensation'
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[patent_app_number] => 6/517747
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[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/04/516/04516887.pdf
[firstpage_image] =>[orig_patent_app_number] => 517747
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/517747 | Feeder deflection compensation | Jul 26, 1983 | Issued |
Array
(
[id] => 2210000
[patent_doc_number] => 04614262
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1986-09-30
[patent_title] => 'Separating chute system'
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/614/04614262.pdf
[firstpage_image] =>[orig_patent_app_number] => 515518
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/515518 | Separating chute system | Jul 19, 1983 | Issued |