
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] => 2294760
[patent_doc_number] => 04641738
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1987-02-10
[patent_title] => 'Momentum arresting device for an integrated circuit tester'
[patent_app_type] => 1
[patent_app_number] => 6/800097
[patent_app_country] => US
[patent_app_date] => 1985-11-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 3
[patent_no_of_words] => 2753
[patent_no_of_claims] => 4
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 322
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/641/04641738.pdf
[firstpage_image] =>[orig_patent_app_number] => 800097
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/800097 | Momentum arresting device for an integrated circuit tester | Nov 19, 1985 | Issued |
Array
(
[id] => 2342344
[patent_doc_number] => 04648754
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1987-03-10
[patent_title] => 'Arrangement for transporting fiber flocks'
[patent_app_type] => 1
[patent_app_number] => 6/770650
[patent_app_country] => US
[patent_app_date] => 1985-08-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 2
[patent_no_of_words] => 4734
[patent_no_of_claims] => 6
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 276
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/648/04648754.pdf
[firstpage_image] =>[orig_patent_app_number] => 770650
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/770650 | Arrangement for transporting fiber flocks | Aug 27, 1985 | Issued |
Array
(
[id] => 2276233
[patent_doc_number] => 04619561
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1986-10-28
[patent_title] => 'Method and apparatus for conveying particulate matter'
[patent_app_type] => 1
[patent_app_number] => 6/767368
[patent_app_country] => US
[patent_app_date] => 1985-08-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 1
[patent_no_of_words] => 1815
[patent_no_of_claims] => 15
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 127
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/619/04619561.pdf
[firstpage_image] =>[orig_patent_app_number] => 767368
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/767368 | Method and apparatus for conveying particulate matter | Aug 19, 1985 | Issued |
Array
(
[id] => 2208485
[patent_doc_number] => 04599016
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1986-07-08
[patent_title] => 'Cyclone apparatus for pneumatically moving granular matter'
[patent_app_type] => 1
[patent_app_number] => 6/754230
[patent_app_country] => US
[patent_app_date] => 1985-07-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 3
[patent_no_of_words] => 1967
[patent_no_of_claims] => 9
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 207
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/599/04599016.pdf
[firstpage_image] =>[orig_patent_app_number] => 754230
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/754230 | Cyclone apparatus for pneumatically moving granular matter | Jul 11, 1985 | Issued |
Array
(
[id] => 2229995
[patent_doc_number] => 04573563
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1986-03-04
[patent_title] => 'Transport roller, especially for transporting paper'
[patent_app_type] => 1
[patent_app_number] => 6/746368
[patent_app_country] => US
[patent_app_date] => 1985-06-19
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 3
[patent_no_of_words] => 1772
[patent_no_of_claims] => 6
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 99
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/573/04573563.pdf
[firstpage_image] =>[orig_patent_app_number] => 746368
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/746368 | Transport roller, especially for transporting paper | Jun 18, 1985 | Issued |
Array
(
[id] => 2216848
[patent_doc_number] => 04582455
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1986-04-15
[patent_title] => 'Pneumatic transporters'
[patent_app_type] => 1
[patent_app_number] => 6/746002
[patent_app_country] => US
[patent_app_date] => 1985-06-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 4
[patent_no_of_words] => 1898
[patent_no_of_claims] => 10
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 71
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/582/04582455.pdf
[firstpage_image] =>[orig_patent_app_number] => 746002
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/746002 | Pneumatic transporters | Jun 17, 1985 | Issued |
Array
(
[id] => 2272585
[patent_doc_number] => 04601345
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1986-07-22
[patent_title] => 'Mixing and drop system for fire retardants'
[patent_app_type] => 1
[patent_app_number] => 6/742955
[patent_app_country] => US
[patent_app_date] => 1985-06-10
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 4
[patent_no_of_words] => 1969
[patent_no_of_claims] => 2
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 172
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/601/04601345.pdf
[firstpage_image] =>[orig_patent_app_number] => 742955
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/742955 | Mixing and drop system for fire retardants | Jun 9, 1985 | Issued |
Array
(
[id] => 2303123
[patent_doc_number] => 04637472
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1987-01-20
[patent_title] => 'Rapid discharge extinguisher'
[patent_app_type] => 1
[patent_app_number] => 6/741919
[patent_app_country] => US
[patent_app_date] => 1985-06-06
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 2
[patent_no_of_words] => 1630
[patent_no_of_claims] => 8
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 160
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/637/04637472.pdf
[firstpage_image] =>[orig_patent_app_number] => 741919
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/741919 | Rapid discharge extinguisher | Jun 5, 1985 | Issued |
Array
(
[id] => 2230625
[patent_doc_number] => 04596289
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1986-06-24
[patent_title] => 'Quick response automatic fire sprinkler head'
[patent_app_type] => 1
[patent_app_number] => 6/732677
[patent_app_country] => US
[patent_app_date] => 1985-05-10
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 11
[patent_no_of_words] => 7522
[patent_no_of_claims] => 21
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 600
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/596/04596289.pdf
[firstpage_image] =>[orig_patent_app_number] => 732677
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/732677 | Quick response automatic fire sprinkler head | May 9, 1985 | Issued |
Array
(
[id] => 2300797
[patent_doc_number] => 04645056
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1987-02-24
[patent_title] => 'Material flow rail'
[patent_app_type] => 1
[patent_app_number] => 6/726842
[patent_app_country] => US
[patent_app_date] => 1985-04-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 6
[patent_no_of_words] => 2085
[patent_no_of_claims] => 5
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 177
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/645/04645056.pdf
[firstpage_image] =>[orig_patent_app_number] => 726842
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/726842 | Material flow rail | Apr 23, 1985 | Issued |
Array
(
[id] => 2256124
[patent_doc_number] => 04579320
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1986-04-01
[patent_title] => 'Load supporting member'
[patent_app_type] => 1
[patent_app_number] => 6/725678
[patent_app_country] => US
[patent_app_date] => 1985-04-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 21
[patent_no_of_words] => 9629
[patent_no_of_claims] => 18
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 85
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/579/04579320.pdf
[firstpage_image] =>[orig_patent_app_number] => 725678
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/725678 | Load supporting member | Apr 21, 1985 | Issued |
Array
(
[id] => 2210833
[patent_doc_number] => 04630682
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1986-12-23
[patent_title] => 'Rapid response sprinkler head'
[patent_app_type] => 1
[patent_app_number] => 6/703979
[patent_app_country] => US
[patent_app_date] => 1985-02-21
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 5
[patent_no_of_words] => 2178
[patent_no_of_claims] => 10
[patent_no_of_ind_claims] => 5
[patent_words_short_claim] => 102
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/630/04630682.pdf
[firstpage_image] =>[orig_patent_app_number] => 703979
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/703979 | Rapid response sprinkler head | Feb 20, 1985 | Issued |
Array
(
[id] => 2237941
[patent_doc_number] => 04576526
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1986-03-18
[patent_title] => 'Arrangement for supplying powdered material to a spraying device'
[patent_app_type] => 1
[patent_app_number] => 6/693220
[patent_app_country] => US
[patent_app_date] => 1985-01-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 3
[patent_no_of_words] => 2098
[patent_no_of_claims] => 5
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 325
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/576/04576526.pdf
[firstpage_image] =>[orig_patent_app_number] => 693220
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/693220 | Arrangement for supplying powdered material to a spraying device | Jan 17, 1985 | Issued |
Array
(
[id] => 2272911
[patent_doc_number] => 04619328
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1986-10-28
[patent_title] => 'Fire extinguisher valve with pressure indicator'
[patent_app_type] => 1
[patent_app_number] => 6/675630
[patent_app_country] => US
[patent_app_date] => 1984-11-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 3
[patent_no_of_words] => 3113
[patent_no_of_claims] => 20
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[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/619/04619328.pdf
[firstpage_image] =>[orig_patent_app_number] => 675630
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/675630 | Fire extinguisher valve with pressure indicator | Nov 27, 1984 | Issued |
Array
(
[id] => 2269479
[patent_doc_number] => 04625808
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1986-12-02
[patent_title] => 'Device for coupling fire extinguishers to closed-off compartments'
[patent_app_type] => 1
[patent_app_number] => 6/673708
[patent_app_country] => US
[patent_app_date] => 1984-11-21
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 5
[patent_no_of_words] => 2893
[patent_no_of_claims] => 7
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/625/04625808.pdf
[firstpage_image] =>[orig_patent_app_number] => 673708
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/673708 | Device for coupling fire extinguishers to closed-off compartments | Nov 20, 1984 | Issued |
Array
(
[id] => 2307225
[patent_doc_number] => 04637760
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1987-01-20
[patent_title] => 'Apparatus for transporting articles by fluid flow through a pipe system'
[patent_app_type] => 1
[patent_app_number] => 6/663759
[patent_app_country] => US
[patent_app_date] => 1984-10-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 10
[patent_figures_cnt] => 12
[patent_no_of_words] => 3505
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/637/04637760.pdf
[firstpage_image] =>[orig_patent_app_number] => 663759
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/663759 | Apparatus for transporting articles by fluid flow through a pipe system | Oct 21, 1984 | Issued |
Array
(
[id] => 2247607
[patent_doc_number] => 04602742
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1986-07-29
[patent_title] => 'Mobile spraying unit with selectable spray position'
[patent_app_type] => 1
[patent_app_number] => 6/658582
[patent_app_country] => US
[patent_app_date] => 1984-10-09
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 9
[patent_no_of_words] => 3059
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/602/04602742.pdf
[firstpage_image] =>[orig_patent_app_number] => 658582
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/658582 | Mobile spraying unit with selectable spray position | Oct 8, 1984 | Issued |
Array
(
[id] => 2213048
[patent_doc_number] => 04595145
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1986-06-17
[patent_title] => 'Air distribution apparatus for a fluid catalytic cracking catalyst regenerator'
[patent_app_type] => 1
[patent_app_number] => 6/655802
[patent_app_country] => US
[patent_app_date] => 1984-10-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/595/04595145.pdf
[firstpage_image] =>[orig_patent_app_number] => 655802
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/655802 | Air distribution apparatus for a fluid catalytic cracking catalyst regenerator | Sep 30, 1984 | Issued |
Array
(
[id] => 2253970
[patent_doc_number] => 04618295
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1986-10-21
[patent_title] => 'Plenum chamber flow restrictor and check valve'
[patent_app_type] => 1
[patent_app_number] => 6/644083
[patent_app_country] => US
[patent_app_date] => 1984-08-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/618/04618295.pdf
[firstpage_image] =>[orig_patent_app_number] => 644083
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/644083 | Plenum chamber flow restrictor and check valve | Aug 23, 1984 | Issued |
Array
(
[id] => 2264502
[patent_doc_number] => 04583885
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1986-04-22
[patent_title] => 'Vacuum receiver'
[patent_app_type] => 1
[patent_app_number] => 6/641133
[patent_app_country] => US
[patent_app_date] => 1984-08-15
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/583/04583885.pdf
[firstpage_image] =>[orig_patent_app_number] => 641133
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/641133 | Vacuum receiver | Aug 14, 1984 | Issued |