Search

Haidong Zhang

Examiner (ID: 2525, Phone: (571)270-5815 , Office: P/2858 )

Most Active Art Unit
2858
Art Unit(s)
2857, 2858
Total Applications
506
Issued Applications
390
Pending Applications
38
Abandoned Applications
86

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 4352627 [patent_doc_number] => 06273527 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-08-14 [patent_title] => 'Rotary pump with better fluid sealing structure and brake apparatus having same' [patent_app_type] => 1 [patent_app_number] => 9/412315 [patent_app_country] => US [patent_app_date] => 1999-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 29 [patent_no_of_words] => 12936 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 404 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/273/06273527.pdf [firstpage_image] =>[orig_patent_app_number] => 412315 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/412315
Rotary pump with better fluid sealing structure and brake apparatus having same Oct 4, 1999 Issued
Array ( [id] => 4327035 [patent_doc_number] => 06283484 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-09-04 [patent_title] => 'Braking device' [patent_app_type] => 1 [patent_app_number] => 9/402246 [patent_app_country] => US [patent_app_date] => 1999-10-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 9 [patent_no_of_words] => 2254 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 279 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/283/06283484.pdf [firstpage_image] =>[orig_patent_app_number] => 402246 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/402246
Braking device Sep 30, 1999 Issued
Array ( [id] => 4265864 [patent_doc_number] => 06209688 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-04-03 [patent_title] => 'Eddy current reduction apparatus' [patent_app_type] => 1 [patent_app_number] => 9/409575 [patent_app_country] => US [patent_app_date] => 1999-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 16 [patent_no_of_words] => 3923 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/209/06209688.pdf [firstpage_image] =>[orig_patent_app_number] => 409575 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/409575
Eddy current reduction apparatus Sep 29, 1999 Issued
Array ( [id] => 4382849 [patent_doc_number] => 06296327 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-10-02 [patent_title] => 'Braking device' [patent_app_type] => 1 [patent_app_number] => 9/230793 [patent_app_country] => US [patent_app_date] => 1999-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1020 [patent_no_of_claims] => 2 [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/06/296/06296327.pdf [firstpage_image] =>[orig_patent_app_number] => 230793 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/230793
Braking device Sep 23, 1999 Issued
Array ( [id] => 1291130 [patent_doc_number] => 06626504 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-09-30 [patent_title] => 'Brake actuation system for towed vehicles' [patent_app_type] => B2 [patent_app_number] => 09/401876 [patent_app_country] => US [patent_app_date] => 1999-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 5182 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/626/06626504.pdf [firstpage_image] =>[orig_patent_app_number] => 09401876 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/401876
Brake actuation system for towed vehicles Sep 22, 1999 Issued
Array ( [id] => 4386021 [patent_doc_number] => 06230854 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-05-15 [patent_title] => 'Disc brake which can be actuated electromechanically' [patent_app_type] => 1 [patent_app_number] => 9/331020 [patent_app_country] => US [patent_app_date] => 1999-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2865 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/230/06230854.pdf [firstpage_image] =>[orig_patent_app_number] => 331020 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/331020
Disc brake which can be actuated electromechanically Sep 21, 1999 Issued
Array ( [id] => 4365107 [patent_doc_number] => 06293373 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-09-25 [patent_title] => 'Retaining spring for a housing of a partially lined disc brake' [patent_app_type] => 1 [patent_app_number] => 9/214393 [patent_app_country] => US [patent_app_date] => 1999-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 1530 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/293/06293373.pdf [firstpage_image] =>[orig_patent_app_number] => 214393 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/214393
Retaining spring for a housing of a partially lined disc brake Sep 16, 1999 Issued
Array ( [id] => 4363256 [patent_doc_number] => 06302498 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-10-16 [patent_title] => 'Pressure-adjusting reservoir for ABS and vehicle brake device using the same' [patent_app_type] => 1 [patent_app_number] => 9/389596 [patent_app_country] => US [patent_app_date] => 1999-09-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 15 [patent_no_of_words] => 4541 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/302/06302498.pdf [firstpage_image] =>[orig_patent_app_number] => 389596 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/389596
Pressure-adjusting reservoir for ABS and vehicle brake device using the same Sep 2, 1999 Issued
Array ( [id] => 4389223 [patent_doc_number] => 06237723 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-05-29 [patent_title] => 'Quick check brake indicator' [patent_app_type] => 1 [patent_app_number] => 9/388603 [patent_app_country] => US [patent_app_date] => 1999-09-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 2984 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 285 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/237/06237723.pdf [firstpage_image] =>[orig_patent_app_number] => 388603 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/388603
Quick check brake indicator Sep 1, 1999 Issued
Array ( [id] => 1587995 [patent_doc_number] => 06382370 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-05-07 [patent_title] => 'Shock absorber with an adjustable lock-out value and two-stage flow restriction' [patent_app_type] => B1 [patent_app_number] => 09/388830 [patent_app_country] => US [patent_app_date] => 1999-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 8047 [patent_no_of_claims] => 53 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 223 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/382/06382370.pdf [firstpage_image] =>[orig_patent_app_number] => 09388830 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/388830
Shock absorber with an adjustable lock-out value and two-stage flow restriction Aug 31, 1999 Issued
Array ( [id] => 4307849 [patent_doc_number] => 06318518 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-11-20 [patent_title] => 'Rotor for eddy current retarder' [patent_app_type] => 1 [patent_app_number] => 9/386855 [patent_app_country] => US [patent_app_date] => 1999-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 13 [patent_no_of_words] => 6143 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 258 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/318/06318518.pdf [firstpage_image] =>[orig_patent_app_number] => 386855 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/386855
Rotor for eddy current retarder Aug 30, 1999 Issued
Array ( [id] => 4291791 [patent_doc_number] => 06315089 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-11-13 [patent_title] => 'Safety lock device with rotating clover mechanism' [patent_app_type] => 1 [patent_app_number] => 9/387533 [patent_app_country] => US [patent_app_date] => 1999-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 3525 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/315/06315089.pdf [firstpage_image] =>[orig_patent_app_number] => 387533 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/387533
Safety lock device with rotating clover mechanism Aug 30, 1999 Issued
Array ( [id] => 4366345 [patent_doc_number] => 06260932 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-07-17 [patent_title] => 'Handle extension of a valve' [patent_app_type] => 1 [patent_app_number] => 9/379467 [patent_app_country] => US [patent_app_date] => 1999-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 1971 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/260/06260932.pdf [firstpage_image] =>[orig_patent_app_number] => 379467 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/379467
Handle extension of a valve Aug 23, 1999 Issued
Array ( [id] => 4270050 [patent_doc_number] => 06234279 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-05-22 [patent_title] => 'Automatic adjuster for brake piston' [patent_app_type] => 1 [patent_app_number] => 9/379990 [patent_app_country] => US [patent_app_date] => 1999-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 9 [patent_no_of_words] => 2203 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/234/06234279.pdf [firstpage_image] =>[orig_patent_app_number] => 379990 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/379990
Automatic adjuster for brake piston Aug 23, 1999 Issued
09/331393 BOLT GUIDE FOR THE FLOATING CALLIPER OF A PARTIALLY LINED DISC BRAKE Aug 18, 1999 Abandoned
Array ( [id] => 1443467 [patent_doc_number] => 06367601 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-04-09 [patent_title] => 'Friction damper for washing machines' [patent_app_type] => B1 [patent_app_number] => 09/341235 [patent_app_country] => US [patent_app_date] => 1999-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 1651 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/367/06367601.pdf [firstpage_image] =>[orig_patent_app_number] => 09341235 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/341235
Friction damper for washing machines Aug 17, 1999 Issued
Array ( [id] => 1599334 [patent_doc_number] => 06431663 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-08-13 [patent_title] => 'Process and device to improve the regulating action of an anti-lock braking system' [patent_app_type] => B1 [patent_app_number] => 09/308873 [patent_app_country] => US [patent_app_date] => 1999-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2359 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 36 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/431/06431663.pdf [firstpage_image] =>[orig_patent_app_number] => 09308873 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/308873
Process and device to improve the regulating action of an anti-lock braking system Aug 11, 1999 Issued
Array ( [id] => 4365609 [patent_doc_number] => 06276674 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-08-21 [patent_title] => 'Reinforced elastomeric spring' [patent_app_type] => 1 [patent_app_number] => 9/331110 [patent_app_country] => US [patent_app_date] => 1999-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2731 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 368 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/276/06276674.pdf [firstpage_image] =>[orig_patent_app_number] => 331110 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/331110
Reinforced elastomeric spring Aug 10, 1999 Issued
Array ( [id] => 4241477 [patent_doc_number] => 06202995 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-03-20 [patent_title] => 'Shock absorbing elastic block and shock absorber using the same' [patent_app_type] => 1 [patent_app_number] => 9/344970 [patent_app_country] => US [patent_app_date] => 1999-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 1684 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/202/06202995.pdf [firstpage_image] =>[orig_patent_app_number] => 344970 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/344970
Shock absorbing elastic block and shock absorber using the same Jun 28, 1999 Issued
Array ( [id] => 4314904 [patent_doc_number] => 06312064 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-11-06 [patent_title] => 'Braking force controller' [patent_app_type] => 1 [patent_app_number] => 9/331910 [patent_app_country] => US [patent_app_date] => 1999-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 41 [patent_figures_cnt] => 45 [patent_no_of_words] => 40296 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/312/06312064.pdf [firstpage_image] =>[orig_patent_app_number] => 331910 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/331910
Braking force controller Jun 23, 1999 Issued
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