Search

David H. Malzahn

Examiner (ID: 6060, Phone: (571)272-3727 , Office: P/2182 )

Most Active Art Unit
2193
Art Unit(s)
2182, 2183, 2301, 2307, 2193, 2124, 2306, 2787, 2302, 2121, 2786
Total Applications
3174
Issued Applications
2743
Pending Applications
60
Abandoned Applications
371

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 7604067 [patent_doc_number] => 07116870 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-10-03 [patent_title] => 'Broadband fiber optic tap' [patent_app_type] => utility [patent_app_number] => 11/216502 [patent_app_country] => US [patent_app_date] => 2005-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 5281 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/116/07116870.pdf [firstpage_image] =>[orig_patent_app_number] => 11216502 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/216502
Broadband fiber optic tap Aug 30, 2005 Issued
Array ( [id] => 573167 [patent_doc_number] => 07162125 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2007-01-09 [patent_title] => 'Optimized grating based biosensor and substrate combination' [patent_app_type] => utility [patent_app_number] => 11/207442 [patent_app_country] => US [patent_app_date] => 2005-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 5188 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/162/07162125.pdf [firstpage_image] =>[orig_patent_app_number] => 11207442 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/207442
Optimized grating based biosensor and substrate combination Aug 17, 2005 Issued
Array ( [id] => 617639 [patent_doc_number] => 07145713 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-12-05 [patent_title] => 'Techniques for recovering optical spectral features using a chirped optical field' [patent_app_type] => utility [patent_app_number] => 11/179765 [patent_app_country] => US [patent_app_date] => 2005-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 30 [patent_no_of_words] => 16583 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/145/07145713.pdf [firstpage_image] =>[orig_patent_app_number] => 11179765 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/179765
Techniques for recovering optical spectral features using a chirped optical field Jul 11, 2005 Issued
Array ( [id] => 618447 [patent_doc_number] => 07146081 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-12-05 [patent_title] => 'Waveguide including a plurality of waveguide segments' [patent_app_type] => utility [patent_app_number] => 11/178657 [patent_app_country] => US [patent_app_date] => 2005-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 33 [patent_no_of_words] => 5242 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/146/07146081.pdf [firstpage_image] =>[orig_patent_app_number] => 11178657 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/178657
Waveguide including a plurality of waveguide segments Jul 7, 2005 Issued
Array ( [id] => 520438 [patent_doc_number] => 07197217 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2007-03-27 [patent_title] => 'Method of making a fiberoptic light guide' [patent_app_type] => utility [patent_app_number] => 11/172402 [patent_app_country] => US [patent_app_date] => 2005-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 1975 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/197/07197217.pdf [firstpage_image] =>[orig_patent_app_number] => 11172402 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/172402
Method of making a fiberoptic light guide Jun 29, 2005 Issued
Array ( [id] => 557850 [patent_doc_number] => 07167625 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-01-23 [patent_title] => 'Optical cable exit trough' [patent_app_type] => utility [patent_app_number] => 11/158287 [patent_app_country] => US [patent_app_date] => 2005-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 2258 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/167/07167625.pdf [firstpage_image] =>[orig_patent_app_number] => 11158287 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/158287
Optical cable exit trough Jun 20, 2005 Issued
Array ( [id] => 426784 [patent_doc_number] => RE039833 [patent_country] => US [patent_kind] => E1 [patent_issue_date] => 2007-09-11 [patent_title] => 'Thermally actuated spectroscopic optical switch' [patent_app_type] => reissue [patent_app_number] => 11/151715 [patent_app_country] => US [patent_app_date] => 2005-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 12 [patent_no_of_words] => 3687 [patent_no_of_claims] => 22 [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/RE/039/RE039833.pdf [firstpage_image] =>[orig_patent_app_number] => 11151715 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/151715
Thermally actuated spectroscopic optical switch Jun 12, 2005 Issued
Array ( [id] => 5607678 [patent_doc_number] => 20060269194 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-11-30 [patent_title] => 'Fiber optic connector having keyed ferrule holder' [patent_app_type] => utility [patent_app_number] => 11/139734 [patent_app_country] => US [patent_app_date] => 2005-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5951 [patent_no_of_claims] => 20 [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] => publications/A1/0269/20060269194.pdf [firstpage_image] =>[orig_patent_app_number] => 11139734 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/139734
Fiber optic connector having keyed ferrule holder May 26, 2005 Issued
Array ( [id] => 6957519 [patent_doc_number] => 20050213889 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-09-29 [patent_title] => 'Optical junction apparatus and methods employing optical power transverse-transfer' [patent_app_type] => utility [patent_app_number] => 11/138841 [patent_app_country] => US [patent_app_date] => 2005-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 55 [patent_figures_cnt] => 55 [patent_no_of_words] => 27100 [patent_no_of_claims] => 105 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0213/20050213889.pdf [firstpage_image] =>[orig_patent_app_number] => 11138841 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/138841
Optical junction apparatus and methods employing optical power transverse-transfer May 24, 2005 Issued
Array ( [id] => 7205522 [patent_doc_number] => 20050258368 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-11-24 [patent_title] => 'Semiconductor crystal for generating terahertz waves, terahertz wave-generator incorporating the crystal, semiconductor crystal for detecting terahertz waves, and terahertz waves detector incorporating the crystal' [patent_app_type] => utility [patent_app_number] => 11/132411 [patent_app_country] => US [patent_app_date] => 2005-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6243 [patent_no_of_claims] => 20 [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] => publications/A1/0258/20050258368.pdf [firstpage_image] =>[orig_patent_app_number] => 11132411 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/132411
Semiconductor crystal for generating terahertz waves, terahertz wave-generator incorporating the crystal, semiconductor crystal for detecting terahertz waves, and terahertz waves detector incorporating the crystal May 18, 2005 Issued
Array ( [id] => 6965675 [patent_doc_number] => 20050232572 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-10-20 [patent_title] => 'Luminaire device' [patent_app_type] => utility [patent_app_number] => 11/130066 [patent_app_country] => US [patent_app_date] => 2005-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 57 [patent_figures_cnt] => 57 [patent_no_of_words] => 34467 [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] => publications/A1/0232/20050232572.pdf [firstpage_image] =>[orig_patent_app_number] => 11130066 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/130066
Luminaire device May 15, 2005 Issued
Array ( [id] => 6951480 [patent_doc_number] => 20050226574 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-10-13 [patent_title] => 'Method and apparatus for fabrication of plastic fiber optic block materials and large flat panel displays' [patent_app_type] => utility [patent_app_number] => 11/126074 [patent_app_country] => US [patent_app_date] => 2005-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 24 [patent_no_of_words] => 17168 [patent_no_of_claims] => 25 [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] => publications/A1/0226/20050226574.pdf [firstpage_image] =>[orig_patent_app_number] => 11126074 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/126074
Method and apparatus for fabrication of plastic fiber optic block materials and large flat panel displays May 9, 2005 Abandoned
Array ( [id] => 7044885 [patent_doc_number] => 20050249480 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-11-10 [patent_title] => 'OPTICAL SEMICONDUCTOR DEVICE' [patent_app_type] => utility [patent_app_number] => 11/119741 [patent_app_country] => US [patent_app_date] => 2005-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 7697 [patent_no_of_claims] => 7 [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] => publications/A1/0249/20050249480.pdf [firstpage_image] =>[orig_patent_app_number] => 11119741 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/119741
Optical semiconductor device May 2, 2005 Issued
Array ( [id] => 541595 [patent_doc_number] => 07184629 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-02-27 [patent_title] => 'Spiral waveguide slow wave resonator structure' [patent_app_type] => utility [patent_app_number] => 11/114434 [patent_app_country] => US [patent_app_date] => 2005-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 28 [patent_figures_cnt] => 32 [patent_no_of_words] => 11542 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 49 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/184/07184629.pdf [firstpage_image] =>[orig_patent_app_number] => 11114434 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/114434
Spiral waveguide slow wave resonator structure Apr 25, 2005 Issued
Array ( [id] => 5590253 [patent_doc_number] => 20060039704 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-02-23 [patent_title] => 'Dynamic gain equalizer' [patent_app_type] => utility [patent_app_number] => 11/113223 [patent_app_country] => US [patent_app_date] => 2005-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 7079 [patent_no_of_claims] => 18 [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] => publications/A1/0039/20060039704.pdf [firstpage_image] =>[orig_patent_app_number] => 11113223 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/113223
Dynamic gain equalizer Apr 24, 2005 Issued
Array ( [id] => 614690 [patent_doc_number] => 07149382 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-12-12 [patent_title] => 'Optical rotary data transmission device with active termination' [patent_app_type] => utility [patent_app_number] => 11/101009 [patent_app_country] => US [patent_app_date] => 2005-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 5705 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/149/07149382.pdf [firstpage_image] =>[orig_patent_app_number] => 11101009 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/101009
Optical rotary data transmission device with active termination Apr 6, 2005 Issued
Array ( [id] => 5767620 [patent_doc_number] => 20050264871 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-12-01 [patent_title] => 'Optical fiber wavelength converter' [patent_app_type] => utility [patent_app_number] => 11/090077 [patent_app_country] => US [patent_app_date] => 2005-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4707 [patent_no_of_claims] => 16 [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] => publications/A1/0264/20050264871.pdf [firstpage_image] =>[orig_patent_app_number] => 11090077 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/090077
Optical fiber wavelength converter Mar 27, 2005 Issued
Array ( [id] => 7018368 [patent_doc_number] => 20050220386 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-10-06 [patent_title] => 'Optical modulator and method of manufacturing same' [patent_app_type] => utility [patent_app_number] => 11/091134 [patent_app_country] => US [patent_app_date] => 2005-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 9392 [patent_no_of_claims] => 51 [patent_no_of_ind_claims] => 14 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0220/20050220386.pdf [firstpage_image] =>[orig_patent_app_number] => 11091134 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/091134
Optical modulator and method of manufacturing same Mar 27, 2005 Issued
Array ( [id] => 742746 [patent_doc_number] => 07035499 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2006-04-25 [patent_title] => 'ON/OFF optical switching using combined acousto-optic and electro-optic switches' [patent_app_type] => utility [patent_app_number] => 11/083731 [patent_app_country] => US [patent_app_date] => 2005-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2610 [patent_no_of_claims] => 20 [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/07/035/07035499.pdf [firstpage_image] =>[orig_patent_app_number] => 11083731 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/083731
ON/OFF optical switching using combined acousto-optic and electro-optic switches Mar 17, 2005 Issued
Array ( [id] => 698667 [patent_doc_number] => 07072560 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2006-07-04 [patent_title] => 'Twist free method of optical fiber stowage and payout' [patent_app_type] => utility [patent_app_number] => 11/078941 [patent_app_country] => US [patent_app_date] => 2005-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1938 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 228 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/072/07072560.pdf [firstpage_image] =>[orig_patent_app_number] => 11078941 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/078941
Twist free method of optical fiber stowage and payout Mar 9, 2005 Issued
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