Locks keys and doors Patent Leaders 2016

Rankings count each patent once by its primary Cooperative Patent Classification. All-time pages aggregate the full database; year pages use patent grant year.

Recent years: 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Patents per Year

Top Inventors

Rank ↑	Inventor ↕	Patents ↕	Primary Company ↕
1	Jason C. Clifford	6	Schlage Lock Company
2	Luciano Bacchetti	6	In & Tec S.R.L.
3	Tai Wai Ng	6	Guangdong Taiming Metal Products Co.
#4	Brian V. Conti	4	Checkpoint Systems
#5	Chad A. Hickman	4	Stanley Security Solutions
#6	David Rosales	4	Brose Schließsysteme Gmbh & Co. Kommanditgesellschaft
#7	Dirk Müller	4	Huf Huelsbeck & Fuerst GmbH & Co. KG
#8	Gregor Haab	4	Hawa Ag
#9	Harris Lambrou	4	Gainsborough Hardware Industries Limited
#10	Michael Wittelsbuerger	4	Brose Schliessysteme
#11	Peter Ettmüller	4	Hawa Ag
#12	Richard J. Lange	4	General Motors
#13	Shih Yu Thomas Cheng	4	August Home
#14	AN SZU HSU	3	First Dome
#15	Brian G. Linehan	3	Carlson Pet Products
#16	Brian Edward Walls	3	Schlage Lock Company
#17	Christian Herrmann	3	Bauer Maschinen Gmbh
#18	Claus Topfer	3	Kiekert Ag
#19	David T. Proefke	3	General Motors
#20	Eric R. Hansen	3	Ash Grove Cement
#21	Francesco Cumbo	3	Magna Closures
#22	Gregory A. Header	3	Unknown
#23	Hung-Jen Tien	3	I-Tek Metal Mfg. Co.
#24	Ian Bartos	3	Gainsborough Hardware Industries Limited
#25	Jason Johnson	3	August Home
#26	Jan Stendal	3	Stendals El Ab
#27	Karl Lai	3	The Sun Lock Company Limited
#28	Kazutama Takahashi	3	Nabtesco
#29	Kosta Papanikolaou	3	Ford
#30	Kohei Yamashita	3	Sanden Automotive Climate Systems
#31	Mark A. Flannery	3	Regalo International
#32	Mark Steven Jeffries	3	Austin Hardware & Supply
#33	Norman Allen Smith	3	Austin Hardware & Supply
#34	Peter H. Field	3	Medeco Security Locks
#35	Ron R. Daniels	3	Unknown
#36	Scott B. Lowder	3	Sargent Manufacturing
#37	Takeshi Nishikibe	3	Aisin Seiki Kabushiki Kaisha
#38	Thorsten Bendel	3	Kiekert Ag
#39	William B. Ainley	3	Schlage Lock Company
#40	Aaron P. McKibben	2	Schlage Lock Company
#41	Adel O. Sayegh	2	Comcast
#42	Aed M. Dudar	2	Ford
#43	Akihiro Kakamu	2	Omron Automotive Electronics Co.
#44	Atsushi Fujita	2	Hitachi Chemical Company
#45	Atsuhito Yamaguchi	2	Nabtesco
#46	Barry G. Lawrence	2	Hughes Supply Company Of Thomasville
#47	Benoit Delande	2	Valeo Securite Habitacle
#48	Bernhard Garthe	2	Abus August Bremicker Söhne Kg
#49	Brett A. Mitchell	2	Kason Industries
#50	Brian A. Telljohann	2	Schlage Lock Company
#51	Calin Roatis	2	Triteq Lock And Security
#52	Christof Brauner	2	Huf Huelsbeck & Fuerst GmbH & Co. KG
#53	Charles E. Burris	2	Yale Security
#54	Chia-Hui Chen	2	TSMC
#55	Christopher J. Fawcett	2	Invue Security Products
#56	Chao-Ming Huang	2	Taiwan Fu Hsing Industrial Co.
#57	Charles W. Moon	2	Townsteel
#58	Charles Rodgers	2	Rodon Limited Partnership
#59	Christian Weidenbacher	2	Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Hallstadt
#60	Chun-Te Yu	2	Aleddra
#61	Cory Jon Sorice	2	The Chamberlain Group
#62	Daniel Calby	2	American Louver
#63	David Chen	2	Vision Industries Group
#64	David S. Magner	2	Trimark
#65	Darrell Miracle	2	—
#66	Daisuke Ogawa	2	Fujitsu Limited
#67	David B. Waskie	2	General Motors
#68	Derek L. Patterson	2	General Motors
#69	Douglas Greene	2	Zephyr Lock
#70	Edgardo Redublo	2	Comcast
#71	Ehab Kamal	2	Huf North America Automotive Parts Manufacturing
#72	Enrico Margheritti	2	Magna Closures S.P.A.
#73	Eric A. Baczuk	2	Milgard Manufacturing
#74	Evan Earl Evans	2	Schlage Lock Company
#75	Fabio Fontana	2	—
#76	Florian Pohl	2	Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Hallstadt
#77	Florian Westwinkel	2	Wesko Systems Limited
#78	Frank Joseph Arabia, Jr.	2	General Motors
#79	Fred Dawber	2	Farpointe Data
#80	Francisco Javier Lujan	2	Inteva Products
#81	Gabriel D. Focke	2	Schlage Lock Company
#82	Gary W. Krajenke	2	General Motors
#83	Glenn Hartman	2	Medeco Security Locks
#84	Glen M. Wolf	2	Truth Hardware
#85	Hendrik Wahmann	2	Kiekert Ag
#86	Hiroto Fujiwara	2	Kabushiki Kaisha Honda Lock
#87	Hidekazu Imai	2	—
#88	Howard Paul Tsvi Linden	2	Ford
#89	Hoo Sang Park	2	Hyundai Motor
#90	Holger Wuerstlein	2	Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Hallstadt
#91	Hung-Lin Liao	2	—
#92	Ian McFarlane Denny	2	Ncr
#93	James J. Fitzgibbon	2	The Chamberlain Group
#94	Jason Scott Gurley	2	Yale Security
#95	Jaebok KANG	2	Dawon Dns Co.
#96	Jeffrey L. Konchan	2	General Motors
#97	Jerry Glenn Lewis	2	Merck
#98	Jeremy Ross Nedwell	2	Secretary Of State For Defence In Her Britannic Majesty'S Government Of The United Kingdom Of Great Britain And Northern Ireland
#99	Jeffrey Regen	2	Securitech Group
#100	Jeff P. Tonon	2	Sargent Manufacturing

Top Companies

Rank ↑	Company ↕	Patents ↕
1	Schlage Lock Company	19
2	General Motors	19
3	Hyundai Motor	15
#4	Ford	15
#5	Huf Huelsbeck & Fuerst GmbH & Co. KG	12
#6	Dorma Deutschland Gmbh	11
#7	Kiekert Ag	11
#8	Unknown	11
#9	Aisin Seiki Kabushiki Kaisha	10
#10	Mitsui Kinzoku Act	9
#11	Checkpoint Systems	8
#12	Kabushiki Kaisha Honda Lock	8
#13	Magna Closures	8
#14	Honda Motor Co.	7
#15	In & Tec S.R.L.	6
#16	I-Tek Metal Mfg. Co.	6
#17	Julius Blum Gmbh	6
#18	Abloy Oy	5
#19	Brose Fahrzeugteile Gmbh & Co. Kg, Hallstadt	5
#20	Brose Schliessysteme	5
#21	Guangdong Taiming Metal Products Co.	5
#22	Illinois Tool Works	5
#23	Taiwan Fu Hsing Industrial Co.	5
#24	The Chamberlain Group	5
#25	August Home	4
#26	Austin Hardware & Supply	4
#27	Caldwell Manufacturing Company North America	4
#28	Gainsborough Hardware Industries Limited	4
#29	Hawa Ag	4
#30	Nissan North America	4
#31	Overhead Door	4
#32	Stanley Security Solutions	4
#33	Sugatsune Kogyo Co.	4
#34	Truth Hardware	4
#35	Wistron	4
#36	GE	4
#37	Samsung	4
#38	Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Hallstadt	3
#39	Carlson Pet Products	3
#40	Continental Automotive Gmbh	3
#41	First Dome	3
#42	Hampton Products International	3
#43	Hanchett Entry Systems	3
#44	Hi-Lex	3
#45	Foxconn	3
#46	Huf North America Automotive Parts Manufacturing	3
#47	Kia Motors	3
#48	Kwikset	3
#49	Magna Closures S.P.A.	3
#50	Nabtesco	3
#51	Ncr	3
#52	Omron Automotive Electronics Co.	3
#53	Optex Co.	3
#54	Pyeong Hwa Automotive Co.	3
#55	Sargent Manufacturing	3
#56	Shiroki	3
#57	Stendals El Ab	3
#58	Strattec Power Access	3
#59	The Boeing	3
#60	The Sun Lock Company Limited	3
#61	Valeo Securite Habitacle	3
#62	Won-Door	3
#63	Toyota	3
#64	Amazon	2
#65	Abus August Bremicker Söhne Kg	2
#66	Acco Brands	2
#67	Acer Incorporated	2
#68	Andersen	2
#69	Assa Abloy High Security Group	2
#70	Barrette Outdoor Living	2
#71	B/E Aerospace	2
#72	Compx International	2
#73	Dawon Dns Co.	2
#74	Daws Manufacturing Company	2
#75	Grass Gmbh & Co. Kg	2
#76	Hardware Resources	2
#77	HP	2
#78	Hoppe Holding Ag	2
#79	Hp Doors	2
#80	Husqvarna Ab	2
#81	Inter Ikea Systems B.V.	2
#82	Inteva Products	2
#83	John Evans' Sons, Incorporated	2
#84	Kason Industries	2
#85	Lianhong Art Co.	2
#86	Microchip Technology Incorporated	2
#87	Milgard Manufacturing	2
#88	Nationwide Industries	2
#89	Nishikawa Rubber Co.	2
#90	Nissan Motor Co.	2
#91	Ojmar, S.A.	2
#92	Piolax	2
#93	Rodon Limited Partnership	2
#94	Securitech Group	2
#95	Spectrum Brands	2
#96	S.P.E.P. Acquisition	2
#97	Taylor Made Group	2
#98	The Eastern	2
#99	Townsteel	2
#100	Trimark	2

Locks keys and doors Patent Leaders in 2016 2016

Patents per Year

Top Inventors

Top Companies