Search

David Lam

Examiner (ID: 17065, Phone: (571)272-1782 , Office: P/2825 )

Most Active Art Unit
2827
Art Unit(s)
2818, 2827, 2825
Total Applications
2102
Issued Applications
2016
Pending Applications
28
Abandoned Applications
60

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2765063 [patent_doc_number] => 04985125 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-01-15 [patent_title] => 'Method for detecting meat freshness using a biosensor' [patent_app_type] => 1 [patent_app_number] => 7/449245 [patent_app_country] => US [patent_app_date] => 1989-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 3067 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/985/04985125.pdf [firstpage_image] =>[orig_patent_app_number] => 449245 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/449245
Method for detecting meat freshness using a biosensor Dec 6, 1989 Issued
Array ( [id] => 2762679 [patent_doc_number] => 05035783 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-07-30 [patent_title] => 'Method for the photochemical conversion of tachysterol compounds into previtamin D compounds and of trans-vitamin D compounds into cis-vitamin D compounds' [patent_app_type] => 1 [patent_app_number] => 7/447509 [patent_app_country] => US [patent_app_date] => 1989-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4369 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 36 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/035/05035783.pdf [firstpage_image] =>[orig_patent_app_number] => 447509 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/447509
Method for the photochemical conversion of tachysterol compounds into previtamin D compounds and of trans-vitamin D compounds into cis-vitamin D compounds Dec 6, 1989 Issued
Array ( [id] => 2765157 [patent_doc_number] => 04985130 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-01-15 [patent_title] => 'Amperometric method and apparatus' [patent_app_type] => 1 [patent_app_number] => 7/447522 [patent_app_country] => US [patent_app_date] => 1989-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 6050 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/985/04985130.pdf [firstpage_image] =>[orig_patent_app_number] => 447522 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/447522
Amperometric method and apparatus Dec 6, 1989 Issued
Array ( [id] => 2871228 [patent_doc_number] => 05118398 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-06-02 [patent_title] => 'Method and an apparatus for detecting ionizable substance' [patent_app_type] => 1 [patent_app_number] => 7/446031 [patent_app_country] => US [patent_app_date] => 1989-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2342 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 264 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/118/05118398.pdf [firstpage_image] =>[orig_patent_app_number] => 446031 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/446031
Method and an apparatus for detecting ionizable substance Dec 4, 1989 Issued
07/439092 HUMIDITY MEASUREMENT DEVICE BY USE OF ELECTROCHEMICAL CELL Nov 19, 1989 Abandoned
07/437741 ZERO VOLUME ELECTROCHEMICAL CELL Nov 15, 1989 Abandoned
Array ( [id] => 2969682 [patent_doc_number] => 05182004 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-01-26 [patent_title] => 'Flow-through type hydrogen peroxide electrode' [patent_app_type] => 1 [patent_app_number] => 7/437346 [patent_app_country] => US [patent_app_date] => 1989-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2039 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/182/05182004.pdf [firstpage_image] =>[orig_patent_app_number] => 437346 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/437346
Flow-through type hydrogen peroxide electrode Nov 14, 1989 Issued
Array ( [id] => 2807385 [patent_doc_number] => 05085759 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-02-04 [patent_title] => 'Apparatus for rapid biological oxidation demand of liquids' [patent_app_type] => 1 [patent_app_number] => 7/436450 [patent_app_country] => US [patent_app_date] => 1989-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 6888 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 252 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/085/05085759.pdf [firstpage_image] =>[orig_patent_app_number] => 436450 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/436450
Apparatus for rapid biological oxidation demand of liquids Nov 12, 1989 Issued
Array ( [id] => 2743471 [patent_doc_number] => 05021137 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-06-04 [patent_title] => 'Ceramic solid electrolyte based electrochemical oxygen concentrator cell' [patent_app_type] => 1 [patent_app_number] => 7/432919 [patent_app_country] => US [patent_app_date] => 1989-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3609 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/021/05021137.pdf [firstpage_image] =>[orig_patent_app_number] => 432919 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/432919
Ceramic solid electrolyte based electrochemical oxygen concentrator cell Nov 5, 1989 Issued
07/431494 METHOD OF PRODUCING SODIUM DITHIONITE BY ELECTROCHEMICAL MEANS Nov 2, 1989 Abandoned
07/429946 OXYGNE SENSOR FOR PREVENTING SILICON POISONING Oct 31, 1989 Abandoned
07/429938 OXYGEN-SENSOR ELEMENT AND METHOD FOR PRODUCING THE SAME Oct 31, 1989 Abandoned
07/429944 OXYGEN SENSOR ELEMENT Oct 31, 1989 Abandoned
07/430694 STRUCTURE FOR JOINING A WIRE TO A SOLID ELECTROLYTIC ELEMENT Oct 31, 1989 Abandoned
07/428417 FILM OF IRON (III) HEXACYANOFERRATE (II) AND PROCESS OF SYNTHESIZING SAME Oct 26, 1989 Abandoned
Array ( [id] => 2777260 [patent_doc_number] => 05164067 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-11-17 [patent_title] => 'Measuring device for determining chemical parameters of an aqueous sample' [patent_app_type] => 1 [patent_app_number] => 7/427482 [patent_app_country] => US [patent_app_date] => 1989-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 2816 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/164/05164067.pdf [firstpage_image] =>[orig_patent_app_number] => 427482 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/427482
Measuring device for determining chemical parameters of an aqueous sample Oct 26, 1989 Issued
Array ( [id] => 2630308 [patent_doc_number] => 04976991 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-12-11 [patent_title] => 'Method for making a sensor for monitoring hydrogen concentrations in gases' [patent_app_type] => 1 [patent_app_number] => 7/426276 [patent_app_country] => US [patent_app_date] => 1989-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 1259 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/976/04976991.pdf [firstpage_image] =>[orig_patent_app_number] => 426276 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/426276
Method for making a sensor for monitoring hydrogen concentrations in gases Oct 24, 1989 Issued
07/422509 THIN ELECTRODES Oct 16, 1989 Abandoned
Array ( [id] => 2710260 [patent_doc_number] => 05007996 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-04-16 [patent_title] => 'Detection system' [patent_app_type] => 1 [patent_app_number] => 7/422120 [patent_app_country] => US [patent_app_date] => 1989-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 12 [patent_no_of_words] => 3852 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 34 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/007/05007996.pdf [firstpage_image] =>[orig_patent_app_number] => 422120 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/422120
Detection system Oct 15, 1989 Issued
Array ( [id] => 2746007 [patent_doc_number] => 05071528 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-12-10 [patent_title] => 'Method and device for measuring the oxygen partial pressure in high-temperature, corrosive liquids' [patent_app_type] => 1 [patent_app_number] => 7/420504 [patent_app_country] => US [patent_app_date] => 1989-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3512 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 223 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/071/05071528.pdf [firstpage_image] =>[orig_patent_app_number] => 420504 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/420504
Method and device for measuring the oxygen partial pressure in high-temperature, corrosive liquids Oct 10, 1989 Issued
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