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Yu-wen Chang

Examiner (ID: 3611)

Most Active Art Unit
2413
Art Unit(s)
2413
Total Applications
249
Issued Applications
142
Pending Applications
56
Abandoned Applications
51

Applications

Application numberTitle of the applicationFiling DateStatus
06/665749 SLIP-CONTROLLED BRAKE SYSTEM FOR AUTOMATIVE VEHICLES Oct 28, 1984 Abandoned
06/664548 SWITCH/DISPLAY UNITS Oct 24, 1984 Abandoned
Array ( [id] => 2355724 [patent_doc_number] => 04664362 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-05-12 [patent_title] => 'Gas spring' [patent_app_type] => 1 [patent_app_number] => 6/664810 [patent_app_country] => US [patent_app_date] => 1984-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 3592 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 455 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/664/04664362.pdf [firstpage_image] =>[orig_patent_app_number] => 664810 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/664810
Gas spring Oct 24, 1984 Issued
Array ( [id] => 2309831 [patent_doc_number] => 04685749 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-08-11 [patent_title] => 'Hydraulic pressure control device for use in vehicle anti-skid braking system' [patent_app_type] => 1 [patent_app_number] => 6/662630 [patent_app_country] => US [patent_app_date] => 1984-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 4360 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 508 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/685/04685749.pdf [firstpage_image] =>[orig_patent_app_number] => 662630 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/662630
Hydraulic pressure control device for use in vehicle anti-skid braking system Oct 18, 1984 Issued
Array ( [id] => 2310258 [patent_doc_number] => 04669586 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-06-02 [patent_title] => 'Pipe-type housing for a shock absorber particularly of the telescopic vibration damper type' [patent_app_type] => 1 [patent_app_number] => 6/660660 [patent_app_country] => US [patent_app_date] => 1984-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 1541 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 387 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/669/04669586.pdf [firstpage_image] =>[orig_patent_app_number] => 660660 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/660660
Pipe-type housing for a shock absorber particularly of the telescopic vibration damper type Oct 14, 1984 Issued
Array ( [id] => 2333061 [patent_doc_number] => 04660898 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-04-28 [patent_title] => 'Hydraulic brake system with slip control' [patent_app_type] => 1 [patent_app_number] => 6/660469 [patent_app_country] => US [patent_app_date] => 1984-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3847 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 275 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/660/04660898.pdf [firstpage_image] =>[orig_patent_app_number] => 660469 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/660469
Hydraulic brake system with slip control Oct 11, 1984 Issued
Array ( [id] => 2378078 [patent_doc_number] => 04662688 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-05-05 [patent_title] => 'Vehicle hydraulic brake system' [patent_app_type] => 1 [patent_app_number] => 6/659100 [patent_app_country] => US [patent_app_date] => 1984-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3108 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 304 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/662/04662688.pdf [firstpage_image] =>[orig_patent_app_number] => 659100 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/659100
Vehicle hydraulic brake system Oct 8, 1984 Issued
Array ( [id] => 2285158 [patent_doc_number] => 04659152 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-04-21 [patent_title] => 'Hydraulic brake system with slip control' [patent_app_type] => 1 [patent_app_number] => 6/659280 [patent_app_country] => US [patent_app_date] => 1984-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3312 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 236 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/659/04659152.pdf [firstpage_image] =>[orig_patent_app_number] => 659280 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/659280
Hydraulic brake system with slip control Oct 8, 1984 Issued
06/653830 LOAD COMPENSATING TRUCK MOUNTED BRAKE SYSTEM Sep 23, 1984 Abandoned
Array ( [id] => 2320686 [patent_doc_number] => 04686505 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-08-11 [patent_title] => 'Emergency lighting system' [patent_app_type] => 1 [patent_app_number] => 6/649926 [patent_app_country] => US [patent_app_date] => 1984-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 1202 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/686/04686505.pdf [firstpage_image] =>[orig_patent_app_number] => 649926 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/649926
Emergency lighting system Sep 12, 1984 Issued
Array ( [id] => 2270674 [patent_doc_number] => 04606434 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-08-19 [patent_title] => 'Resistive ceramic bushings for brake lining wear sensor' [patent_app_type] => 1 [patent_app_number] => 6/649060 [patent_app_country] => US [patent_app_date] => 1984-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 2567 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/606/04606434.pdf [firstpage_image] =>[orig_patent_app_number] => 649060 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/649060
Resistive ceramic bushings for brake lining wear sensor Sep 9, 1984 Issued
Array ( [id] => 2243123 [patent_doc_number] => 04605262 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-08-12 [patent_title] => 'Three way check valve' [patent_app_type] => 1 [patent_app_number] => 6/648200 [patent_app_country] => US [patent_app_date] => 1984-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 5 [patent_no_of_words] => 1617 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 334 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/605/04605262.pdf [firstpage_image] =>[orig_patent_app_number] => 648200 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/648200
Three way check valve Sep 6, 1984 Issued
Array ( [id] => 2558185 [patent_doc_number] => 04833462 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-05-23 [patent_title] => 'Raster-scanned cathode ray tube display with cross-hair cursor' [patent_app_type] => 1 [patent_app_number] => 6/639760 [patent_app_country] => US [patent_app_date] => 1984-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 3325 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 224 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/833/04833462.pdf [firstpage_image] =>[orig_patent_app_number] => 639760 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/639760
Raster-scanned cathode ray tube display with cross-hair cursor Aug 12, 1984 Issued
Array ( [id] => 2357380 [patent_doc_number] => 04666218 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-05-19 [patent_title] => 'Antiskid control with surface friction compensation' [patent_app_type] => 1 [patent_app_number] => 6/638717 [patent_app_country] => US [patent_app_date] => 1984-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 14 [patent_no_of_words] => 4661 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 241 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/666/04666218.pdf [firstpage_image] =>[orig_patent_app_number] => 638717 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/638717
Antiskid control with surface friction compensation Aug 7, 1984 Issued
Array ( [id] => 2235541 [patent_doc_number] => 04566737 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-01-28 [patent_title] => 'Antiskid control with wheel-speed difference compensation' [patent_app_type] => 1 [patent_app_number] => 6/638720 [patent_app_country] => US [patent_app_date] => 1984-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 13 [patent_no_of_words] => 4527 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/566/04566737.pdf [firstpage_image] =>[orig_patent_app_number] => 638720 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/638720
Antiskid control with wheel-speed difference compensation Aug 7, 1984 Issued
Array ( [id] => 2218869 [patent_doc_number] => 04624508 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-11-25 [patent_title] => 'Regulator valve for hydraulic anti-skid apparatus' [patent_app_type] => 1 [patent_app_number] => 6/637719 [patent_app_country] => US [patent_app_date] => 1984-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3238 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 408 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/624/04624508.pdf [firstpage_image] =>[orig_patent_app_number] => 637719 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/637719
Regulator valve for hydraulic anti-skid apparatus Aug 5, 1984 Issued
Array ( [id] => 2339292 [patent_doc_number] => 04640558 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-02-03 [patent_title] => 'Anti-skid brake system' [patent_app_type] => 1 [patent_app_number] => 6/635229 [patent_app_country] => US [patent_app_date] => 1984-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 7066 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 239 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/640/04640558.pdf [firstpage_image] =>[orig_patent_app_number] => 635229 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/635229
Anti-skid brake system Jul 26, 1984 Issued
Array ( [id] => 2305790 [patent_doc_number] => 04637663 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-01-20 [patent_title] => 'Anti-skid brake control system performing skid control with both open and close feedback techniques' [patent_app_type] => 1 [patent_app_number] => 6/634489 [patent_app_country] => US [patent_app_date] => 1984-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 31 [patent_no_of_words] => 19391 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 217 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/637/04637663.pdf [firstpage_image] =>[orig_patent_app_number] => 634489 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/634489
Anti-skid brake control system performing skid control with both open and close feedback techniques Jul 25, 1984 Issued
Array ( [id] => 2304853 [patent_doc_number] => 04637595 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-01-20 [patent_title] => 'Leaf spring assembly' [patent_app_type] => 1 [patent_app_number] => 6/624738 [patent_app_country] => US [patent_app_date] => 1984-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 2127 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 225 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/637/04637595.pdf [firstpage_image] =>[orig_patent_app_number] => 624738 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/624738
Leaf spring assembly Jun 25, 1984 Issued
Array ( [id] => 2206792 [patent_doc_number] => 04598900 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-07-08 [patent_title] => 'FRP leaf spring suspension' [patent_app_type] => 1 [patent_app_number] => 6/623938 [patent_app_country] => US [patent_app_date] => 1984-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 11 [patent_no_of_words] => 1803 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/598/04598900.pdf [firstpage_image] =>[orig_patent_app_number] => 623938 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/623938
FRP leaf spring suspension Jun 24, 1984 Issued
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