Search

Edward Chang

Examiner (ID: 4032, Phone: (571)270-3092 , Office: P/3696 )

Most Active Art Unit
3696
Art Unit(s)
3691, 3696, 3692
Total Applications
690
Issued Applications
413
Pending Applications
50
Abandoned Applications
239

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 9867430 [patent_doc_number] => 08955186 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-02-17 [patent_title] => 'Electric toothbrushes' [patent_app_type] => utility [patent_app_number] => 14/053980 [patent_app_country] => US [patent_app_date] => 2013-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 16 [patent_no_of_words] => 5409 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14053980 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/053980
Electric toothbrushes Oct 14, 2013 Issued
Array ( [id] => 11296320 [patent_doc_number] => 09504312 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-11-29 [patent_title] => 'Oral hygiene implements having flexible elements, and methods of making the same' [patent_app_type] => utility [patent_app_number] => 14/048821 [patent_app_country] => US [patent_app_date] => 2013-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 29 [patent_figures_cnt] => 55 [patent_no_of_words] => 15526 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14048821 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/048821
Oral hygiene implements having flexible elements, and methods of making the same Oct 7, 2013 Issued
Array ( [id] => 10600538 [patent_doc_number] => 09321088 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-04-26 [patent_title] => 'Apparatus for cleaning bleeder valves' [patent_app_type] => utility [patent_app_number] => 14/048185 [patent_app_country] => US [patent_app_date] => 2013-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 2349 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14048185 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/048185
Apparatus for cleaning bleeder valves Oct 7, 2013 Issued
Array ( [id] => 9265284 [patent_doc_number] => 20140020200 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-01-23 [patent_title] => 'Squeegee-Integrated Pumped-Drain and Heater Windshield Wiper System' [patent_app_type] => utility [patent_app_number] => 14/039488 [patent_app_country] => US [patent_app_date] => 2013-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5540 [patent_no_of_claims] => 63 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14039488 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/039488
Squeegee-Integrated Pumped-Drain and Heater Windshield Wiper System Sep 26, 2013 Abandoned
Array ( [id] => 10197579 [patent_doc_number] => 20150082565 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-03-26 [patent_title] => 'SLIDING SCRUB BRUSH FOR A FLOOR MOP' [patent_app_type] => utility [patent_app_number] => 14/035455 [patent_app_country] => US [patent_app_date] => 2013-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5630 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14035455 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/035455
SLIDING SCRUB BRUSH FOR A FLOOR MOP Sep 23, 2013 Abandoned
Array ( [id] => 9333010 [patent_doc_number] => 20140059792 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-03-06 [patent_title] => 'Hair Brush' [patent_app_type] => utility [patent_app_number] => 14/013915 [patent_app_country] => US [patent_app_date] => 2013-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 2152 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14013915 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/013915
Hair Brush Aug 28, 2013 Abandoned
Array ( [id] => 11480038 [patent_doc_number] => 09586561 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2017-03-07 [patent_title] => 'Automatic automotive detailing tool' [patent_app_type] => utility [patent_app_number] => 14/011045 [patent_app_country] => US [patent_app_date] => 2013-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 6000 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 288 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14011045 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/011045
Automatic automotive detailing tool Aug 26, 2013 Issued
Array ( [id] => 10510226 [patent_doc_number] => 09237799 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2016-01-19 [patent_title] => 'Adjustable paint brush pole' [patent_app_type] => utility [patent_app_number] => 13/975705 [patent_app_country] => US [patent_app_date] => 2013-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 15 [patent_no_of_words] => 4322 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 264 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13975705 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/975705
Adjustable paint brush pole Aug 25, 2013 Issued
Array ( [id] => 9808390 [patent_doc_number] => 20150020336 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-01-22 [patent_title] => 'Scrubbing Bead Chain Device' [patent_app_type] => utility [patent_app_number] => 13/891705 [patent_app_country] => US [patent_app_date] => 2013-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 412 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13891705 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/891705
Scrubbing Bead Chain Device Jul 18, 2013 Abandoned
Array ( [id] => 9143820 [patent_doc_number] => 20130298343 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-11-14 [patent_title] => 'SWIMMING POOL BRUSH' [patent_app_type] => utility [patent_app_number] => 13/939621 [patent_app_country] => US [patent_app_date] => 2013-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2677 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13939621 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/939621
Swimming pool brush Jul 10, 2013 Issued
Array ( [id] => 12444333 [patent_doc_number] => 09980622 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-05-29 [patent_title] => Cleaning device having a variable size and shape head [patent_app_type] => utility [patent_app_number] => 13/936595 [patent_app_country] => US [patent_app_date] => 2013-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 3707 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 273 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13936595 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/936595
Cleaning device having a variable size and shape head Jul 7, 2013 Issued
Array ( [id] => 9646089 [patent_doc_number] => 08800092 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2014-08-12 [patent_title] => 'Apparatus to remove a disposable cloth from a hand operated flat mop through a single trigger mechanism without having to touch the disposable cloth' [patent_app_type] => utility [patent_app_number] => 13/933455 [patent_app_country] => US [patent_app_date] => 2013-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 5517 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 1001 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13933455 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/933455
Apparatus to remove a disposable cloth from a hand operated flat mop through a single trigger mechanism without having to touch the disposable cloth Jul 1, 2013 Issued
Array ( [id] => 9795461 [patent_doc_number] => 20150007405 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-01-08 [patent_title] => 'TILE AND GROUT CLEANING BRUSHROLL' [patent_app_type] => utility [patent_app_number] => 13/933345 [patent_app_country] => US [patent_app_date] => 2013-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 909 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13933345 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/933345
TILE AND GROUT CLEANING BRUSHROLL Jul 1, 2013 Abandoned
Array ( [id] => 10963269 [patent_doc_number] => 20140366299 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-12-18 [patent_title] => 'Hanging Towel with Reinforcing Stitches' [patent_app_type] => utility [patent_app_number] => 13/916795 [patent_app_country] => US [patent_app_date] => 2013-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 1524 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13916795 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/916795
Hanging Towel with Reinforcing Stitches Jun 12, 2013 Abandoned
Array ( [id] => 12507366 [patent_doc_number] => 09999897 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-06-19 [patent_title] => Paint roller [patent_app_type] => utility [patent_app_number] => 13/904105 [patent_app_country] => US [patent_app_date] => 2013-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 20 [patent_no_of_words] => 2925 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 249 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13904105 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/904105
Paint roller May 28, 2013 Issued
Array ( [id] => 10288486 [patent_doc_number] => 20150173485 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-06-25 [patent_title] => 'COSMETIC PUFF' [patent_app_type] => utility [patent_app_number] => 14/403005 [patent_app_country] => US [patent_app_date] => 2013-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3747 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14403005 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/403005
COSMETIC PUFF May 22, 2013 Abandoned
Array ( [id] => 10828842 [patent_doc_number] => 08856998 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-10-14 [patent_title] => 'Mobile floor cleaning machine' [patent_app_type] => utility [patent_app_number] => 13/893945 [patent_app_country] => US [patent_app_date] => 2013-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 4467 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13893945 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/893945
Mobile floor cleaning machine May 13, 2013 Issued
Array ( [id] => 9143827 [patent_doc_number] => 20130298350 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-11-14 [patent_title] => 'COVERAGE ROBOTS AND ASSOCIATED CLEANING BINS' [patent_app_type] => utility [patent_app_number] => 13/892453 [patent_app_country] => US [patent_app_date] => 2013-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 22 [patent_no_of_words] => 14847 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13892453 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/892453
Coverage robots and associated cleaning bins May 12, 2013 Issued
Array ( [id] => 10928409 [patent_doc_number] => 20140331430 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-11-13 [patent_title] => 'Tai Chi Sword Brush' [patent_app_type] => utility [patent_app_number] => 13/890225 [patent_app_country] => US [patent_app_date] => 2013-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1091 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13890225 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/890225
Tai Chi Sword Brush May 7, 2013 Abandoned
Array ( [id] => 10243376 [patent_doc_number] => 20150128371 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-05-14 [patent_title] => 'MOP BASE FITTED WITH A HINGED ROTATION LIMITER' [patent_app_type] => utility [patent_app_number] => 14/398685 [patent_app_country] => US [patent_app_date] => 2013-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3207 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14398685 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/398685
MOP BASE FITTED WITH A HINGED ROTATION LIMITER May 2, 2013 Abandoned
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