Search

Alan Cohan

Examiner (ID: 180)

Most Active Art Unit
3407
Art Unit(s)
3504, 2102, 3407, 3401, 2899
Total Applications
1324
Issued Applications
1203
Pending Applications
0
Abandoned Applications
121

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2847283 [patent_doc_number] => D0324283 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-02-25 [patent_title] => 'Luggage cart' [patent_app_type] => 4 [patent_app_number] => 7/645699 [patent_app_country] => US [patent_app_date] => 1991-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 86 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 12 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/D0/324/D0324283.pdf [firstpage_image] =>[orig_patent_app_number] => 645699 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/645699
Gas lift valve utilizing a diaphragm pilot Jan 24, 1991 Issued
Array ( [id] => 2847283 [patent_doc_number] => D0324283 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-02-25 [patent_title] => 'Luggage cart' [patent_app_type] => 4 [patent_app_number] => 7/645699 [patent_app_country] => US [patent_app_date] => 1991-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 86 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 12 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/D0/324/D0324283.pdf [firstpage_image] =>[orig_patent_app_number] => 645699 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/645699
Gas lift valve utilizing a diaphragm pilot Jan 24, 1991 Issued
Array ( [id] => 2766500 [patent_doc_number] => 05086804 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-02-11 [patent_title] => 'Emergency security device for head of a leaking gas cylinder' [patent_app_type] => 1 [patent_app_number] => 7/644550 [patent_app_country] => US [patent_app_date] => 1991-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1535 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/086/05086804.pdf [firstpage_image] =>[orig_patent_app_number] => 644550 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/644550
Emergency security device for head of a leaking gas cylinder Jan 22, 1991 Issued
Array ( [id] => 2690534 [patent_doc_number] => 05067512 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-11-26 [patent_title] => 'Servovalve apparatus for use in fluid systems' [patent_app_type] => 1 [patent_app_number] => 7/644271 [patent_app_country] => US [patent_app_date] => 1991-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 9 [patent_no_of_words] => 5387 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/067/05067512.pdf [firstpage_image] =>[orig_patent_app_number] => 644271 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/644271
Servovalve apparatus for use in fluid systems Jan 21, 1991 Issued
Array ( [id] => 2847283 [patent_doc_number] => D0324283 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-02-25 [patent_title] => 'Luggage cart' [patent_app_type] => 4 [patent_app_number] => 7/645699 [patent_app_country] => US [patent_app_date] => 1991-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 86 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 12 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/D0/324/D0324283.pdf [firstpage_image] =>[orig_patent_app_number] => 645699 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/645699
Luggage cart Jan 21, 1991 Issued
Array ( [id] => 2847283 [patent_doc_number] => D0324283 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-02-25 [patent_title] => 'Luggage cart' [patent_app_type] => 4 [patent_app_number] => 7/645699 [patent_app_country] => US [patent_app_date] => 1991-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 86 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 12 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/D0/324/D0324283.pdf [firstpage_image] =>[orig_patent_app_number] => 645699 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/645699
Luggage cart Jan 21, 1991 Issued
Array ( [id] => 2695482 [patent_doc_number] => 05052426 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-10-01 [patent_title] => 'System for pressure letdown of abrasive slurries' [patent_app_type] => 1 [patent_app_number] => 7/641988 [patent_app_country] => US [patent_app_date] => 1991-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1768 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 194 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/052/05052426.pdf [firstpage_image] =>[orig_patent_app_number] => 641988 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/641988
System for pressure letdown of abrasive slurries Jan 15, 1991 Issued
Array ( [id] => 2850772 [patent_doc_number] => 05152318 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-10-06 [patent_title] => 'Screw-in throttle valve and pressure gauge assembly' [patent_app_type] => 1 [patent_app_number] => 7/641488 [patent_app_country] => US [patent_app_date] => 1991-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1273 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 277 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/152/05152318.pdf [firstpage_image] =>[orig_patent_app_number] => 641488 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/641488
Screw-in throttle valve and pressure gauge assembly Jan 14, 1991 Issued
Array ( [id] => 2834299 [patent_doc_number] => 05125428 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-06-30 [patent_title] => 'Device for equalizing pressure between machine housing and the surroundings' [patent_app_type] => 1 [patent_app_number] => 7/635108 [patent_app_country] => US [patent_app_date] => 1991-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 3466 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/125/05125428.pdf [firstpage_image] =>[orig_patent_app_number] => 635108 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/635108
Device for equalizing pressure between machine housing and the surroundings Jan 10, 1991 Issued
07/638304 VALVE ASSEMBLY Jan 6, 1991 Abandoned
Array ( [id] => 2752608 [patent_doc_number] => 05062446 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-11-05 [patent_title] => 'Intelligent mass flow controller' [patent_app_type] => 1 [patent_app_number] => 7/638279 [patent_app_country] => US [patent_app_date] => 1991-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 7284 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 278 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/062/05062446.pdf [firstpage_image] =>[orig_patent_app_number] => 638279 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/638279
Intelligent mass flow controller Jan 6, 1991 Issued
Array ( [id] => 2798742 [patent_doc_number] => 05080126 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-01-14 [patent_title] => 'Float controlled valve' [patent_app_type] => 1 [patent_app_number] => 7/637340 [patent_app_country] => US [patent_app_date] => 1991-01-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 3308 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/080/05080126.pdf [firstpage_image] =>[orig_patent_app_number] => 637340 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/637340
Float controlled valve Jan 3, 1991 Issued
Array ( [id] => 2653563 [patent_doc_number] => 05069244 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-12-03 [patent_title] => 'Liquid source container device' [patent_app_type] => 1 [patent_app_number] => 7/635655 [patent_app_country] => US [patent_app_date] => 1990-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 3502 [patent_no_of_claims] => 7 [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/05/069/05069244.pdf [firstpage_image] =>[orig_patent_app_number] => 635655 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/635655
Liquid source container device Dec 27, 1990 Issued
Array ( [id] => 2739702 [patent_doc_number] => 05042521 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-08-27 [patent_title] => 'Switching apparatus for suction system in a vacuum pump' [patent_app_type] => 1 [patent_app_number] => 7/635302 [patent_app_country] => US [patent_app_date] => 1990-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 3587 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 555 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/042/05042521.pdf [firstpage_image] =>[orig_patent_app_number] => 635302 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/635302
Switching apparatus for suction system in a vacuum pump Dec 27, 1990 Issued
Array ( [id] => 2752660 [patent_doc_number] => 05062449 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-11-05 [patent_title] => 'Vibration dampener for direct acting pressure regulator' [patent_app_type] => 1 [patent_app_number] => 7/636082 [patent_app_country] => US [patent_app_date] => 1990-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 9 [patent_no_of_words] => 3122 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/062/05062449.pdf [firstpage_image] =>[orig_patent_app_number] => 636082 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/636082
Vibration dampener for direct acting pressure regulator Dec 27, 1990 Issued
Array ( [id] => 2718883 [patent_doc_number] => 05050634 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-09-24 [patent_title] => 'Very low differential pressure switch' [patent_app_type] => 1 [patent_app_number] => 7/635285 [patent_app_country] => US [patent_app_date] => 1990-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 3715 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/050/05050634.pdf [firstpage_image] =>[orig_patent_app_number] => 635285 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/635285
Very low differential pressure switch Dec 27, 1990 Issued
07/633890 PULSATOR DEVICES Dec 25, 1990 Abandoned
Array ( [id] => 2845669 [patent_doc_number] => 05082016 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-01-21 [patent_title] => 'Adhesion prevention device in liquid surface detecting valve' [patent_app_type] => 1 [patent_app_number] => 7/632375 [patent_app_country] => US [patent_app_date] => 1990-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 1813 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/082/05082016.pdf [firstpage_image] =>[orig_patent_app_number] => 632375 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/632375
Adhesion prevention device in liquid surface detecting valve Dec 20, 1990 Issued
Array ( [id] => 2690721 [patent_doc_number] => 05067522 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-11-26 [patent_title] => 'Pressure balance valve spindle' [patent_app_type] => 1 [patent_app_number] => 7/630570 [patent_app_country] => US [patent_app_date] => 1990-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 3515 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/067/05067522.pdf [firstpage_image] =>[orig_patent_app_number] => 630570 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/630570
Pressure balance valve spindle Dec 19, 1990 Issued
Array ( [id] => 2740012 [patent_doc_number] => 05058618 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-10-22 [patent_title] => 'Relief valve for hydraulic fluid' [patent_app_type] => 1 [patent_app_number] => 7/627532 [patent_app_country] => US [patent_app_date] => 1990-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1454 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 291 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/058/05058618.pdf [firstpage_image] =>[orig_patent_app_number] => 627532 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/627532
Relief valve for hydraulic fluid Dec 13, 1990 Issued
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