US1400066A - Construction toy set - Google Patents
Construction toy set Download PDFInfo
- Publication number
- US1400066A US1400066A US851799A US1914851799A US1400066A US 1400066 A US1400066 A US 1400066A US 851799 A US851799 A US 851799A US 1914851799 A US1914851799 A US 1914851799A US 1400066 A US1400066 A US 1400066A
- Authority
- US
- United States
- Prior art keywords
- construction toy
- toy set
- assembling
- arms
- tubular
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H33/00—Other toys
- A63H33/04—Building blocks, strips, or similar building parts
- A63H33/10—Building blocks, strips, or similar building parts to be assembled by means of additional non-adhesive elements
- A63H33/107—Building blocks, strips, or similar building parts to be assembled by means of additional non-adhesive elements using screws, bolts, nails, rivets, clamps
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S135/00—Tent, canopy, umbrella, or cane
- Y10S135/909—Fitting
Definitions
- My invention relates to improvements in construction toy sets and the object of my invention is to provide a combination doing away with certaindisadvantages heretofore appearing in sets of the class referred to and admitting of certain advantages to be set forth hereinbelow.
- Figure 1 is a perspective view of an assembling or connectlng piece, cubicalv 1n shape, as hereln after referred to:
- Fig. 2 is a similar view of' a polygonal pie'ce of like character;
- Fig. 3 shows a detachable short arm, solid, adapted for connection of any of the said assembling piece with any of the struts or tie-pieces hereinafter described;
- Fig. 4 is another perspective view of an assembling or connecting piece, of cylindrical shape, with arms therein inserted.
- Fig. 5 represents a tubular strut or tie-piece, intended to go on any of the said arms.
- Fig. 1 is a perspective view of an assembling or connectlng piece, cubicalv 1n shape, as hereln after referred to:
- Fig. 2 is a similar view of' a polygonal pie'ce of like character;
- Fig. 3 shows a detachable short arm, solid, adapted for connection of any of the said
- FIG. 6 is a perspective view showing the several parts or members as connected with each other;
- Fig. 7 shows by way of example the frame of a chair made up of members as herein described.
- Figs. 8, 9, 10 are modifications of my detachable arm, this time tubular, hereinbelow jects; this is annoying to the constructor and makes the selection of the single part a diflicult and tedious task.
- the connectingor assembling pieces may be made in rather small size and the holes or recesses in the several sides or faces may be screw-threaded, adapted to receive the detachable arms the ends of whichI prefer also to be provided with threads and they may be comparativel short without impairing the firmness othe' structure. They may be either solid as shown in Figs. 3, 4, 6 or they may be tubular sockets 6, as illustrated in Fi%s. 5 and 8 to 13 inclusive.
- the screw ends prefer to be shouldered and of smaller diameter than the main portion of the arms as shown at 7
- the struts-or tie pieces have such dimensions that they may easily be inserted into the arms or passed over the same and they have various lengths and may be solid or tubular; in the latter case they may be 'made elastic by providing a longitudinal split or.
- the short arms may each have an annular groove 9 and the tachable and detachable sockets may be rostruts may be correspondingly notched to vided with an adjusting screw 11, as in ig. 8, or have a longitudinal split 12 as in Fig.
- the struts or tie-pieces may be either tubular or solid, as shown in igs; 12 and 13, while with the socket reprenecting or assembling pieces which consist't-f sented in Fig. 9 tubular struts as illustrated of the heretofore known cubes 1, Fig.
- Fig. 11 may preferably be used.
- a set of toy construction members comprising in combination, assembling bodies provided with screw threaded recesses or holes in their faces, socket members adapted to be screwed into saidrecesses, rods engag- .name to this specification in the presence of two subscribing witnesses.
Description
A. HUCK! 'CONSTRUCTION TOY SET. -APPLICAUON FILED JULY 18. I914.
Patented Dec. 13, 1921.
AITOlM/EF Perm OFFICE.
'ADOLIE' HUGE, 0F NUREMBERG, BAVARIA, GERMANY.
CONSTRUCTIQN TOY SET. I
Specification of Letters Patent.
Patented Deci13, 1921.
Application filed July 18, 1914. Serial No. 851,799.
(GRANTED UNDER THE rnovisiousor THE ACT or MARCH 3, 1921, 41- sm'r. I.., 1313.
To all whom it may concern: 7
Be it known that I, ADOLF HUCK, a subject of the German Empire, residing at Gostenhofer Hauptstrasse 63, Nuremberg, Bavaria, Germany, have invented new and useful Improvements in Construction Toy Sets,
of which the following is a specification.
My invention relates to improvements in construction toy sets and the object of my invention is to provide a combination doing away with certaindisadvantages heretofore appearing in sets of the class referred to and admitting of certain advantages to be set forth hereinbelow.
In describing my invention I refer to the drawings herewith in which Figure 1 is a perspective view of an assembling or connectlng piece, cubicalv 1n shape, as hereln after referred to: Fig. 2 is a similar view of' a polygonal pie'ce of like character; Fig. 3 shows a detachable short arm, solid, adapted for connection of any of the said assembling piece with any of the struts or tie-pieces hereinafter described; Fig. 4 is another perspective view of an assembling or connecting piece, of cylindrical shape, with arms therein inserted. Fig. 5 represents a tubular strut or tie-piece, intended to go on any of the said arms. Fig. 6 is a perspective view showing the several parts or members as connected with each other; Fig. 7 shows by way of example the frame of a chair made up of members as herein described. Figs. 8, 9, 10 are modifications of my detachable arm, this time tubular, hereinbelow jects; this is annoying to the constructor and makes the selection of the single part a diflicult and tedious task.
In the present invention I employ conpolygonal bodies 2, Fig. 2, cylindrical moved from the assembling or connecting j piece constructions, may be completed and additions thereto made without trouble and,=
moreover, there are no displeasing unused blanks branching oil from the structure.
The connectingor assembling pieces may be made in rather small size and the holes or recesses in the several sides or faces may be screw-threaded, adapted to receive the detachable arms the ends of whichI prefer also to be provided with threads and they may be comparativel short without impairing the firmness othe' structure. They may be either solid as shown in Figs. 3, 4, 6 or they may be tubular sockets 6, as illustrated in Fi%s. 5 and 8 to 13 inclusive. The screw ends prefer to be shouldered and of smaller diameter than the main portion of the arms as shown at 7 The struts-or tie pieces have such dimensions that they may easily be inserted into the arms or passed over the same and they have various lengths and may be solid or tubular; in the latter case they may be 'made elastic by providing a longitudinal split or.
slot 8 in the body of the tube. In the case illustrated in Figs. 3, 4, 6 the short arms may each have an annular groove 9 and the tachable and detachable sockets may be rostruts may be correspondingly notched to vided with an adjusting screw 11, as in ig. 8, or have a longitudinal split 12 as in Fig.
10 and in both cases the struts or tie-pieces may be either tubular or solid, as shown in igs; 12 and 13, while with the socket reprenecting or assembling pieces which consist't-f sented in Fig. 9 tubular struts as illustrated of the heretofore known cubes 1, Fig.
in Fig. 11 may preferably be used.
I do not restrict myself to the particular shapes described and shown on the drawings asthe shape forms no'part of my invention.
Duly considering the toy construction sets hereinabove first mentioned and described and with the object in view hereinabove mentioned, I declare that what Iclaim as my invention is:
A set of toy construction members comprising in combination, assembling bodies provided with screw threaded recesses or holes in their faces, socket members adapted to be screwed into saidrecesses, rods engag- .name to this specification in the presence of two subscribing witnesses.
' ADOLF HUOK. Witnesses:
HEINRICH F IETH, OSCAR BOGK.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US851799A US1400066A (en) | 1914-07-18 | 1914-07-18 | Construction toy set |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US851799A US1400066A (en) | 1914-07-18 | 1914-07-18 | Construction toy set |
Publications (1)
Publication Number | Publication Date |
---|---|
US1400066A true US1400066A (en) | 1921-12-13 |
Family
ID=25311704
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US851799A Expired - Lifetime US1400066A (en) | 1914-07-18 | 1914-07-18 | Construction toy set |
Country Status (1)
Country | Link |
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US (1) | US1400066A (en) |
Cited By (51)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2512725A (en) * | 1948-05-20 | 1950-06-27 | Antenna construction | |
US2577702A (en) * | 1947-06-03 | 1951-12-04 | Illinois Tool Works | Toy construction element |
US2583474A (en) * | 1948-09-18 | 1952-01-22 | John A Cozzone | Toy construction rod |
US3023723A (en) * | 1957-04-26 | 1962-03-06 | George E Tays | Boat anchor |
US3355837A (en) * | 1965-02-25 | 1967-12-05 | Harlan H Pedersen | Construction toy |
US3357610A (en) * | 1963-02-18 | 1967-12-12 | Jr Ripley Quinby | Human-appearing manikin and method of making |
US3426913A (en) * | 1966-06-27 | 1969-02-11 | James S Abatiell Jr | Structural system and components |
US3757393A (en) * | 1970-05-15 | 1973-09-11 | J Bucheli | Toy building element constructions |
US3792882A (en) * | 1969-09-17 | 1974-02-19 | Fredon P | Device for constructing light tubular structures |
US3955814A (en) * | 1975-02-20 | 1976-05-11 | Shallenberger Lester G | Balancing toy with ends of sockets and protrusions |
US4084344A (en) * | 1976-03-25 | 1978-04-18 | Shinsei Kogyo Co., Ltd. | Toy construction set |
US4538394A (en) * | 1972-11-01 | 1985-09-03 | Farnum Henry M | Circumferential stereo spectacular, 360 degrees vertically and horizontally, with live center stage built by economical, universal construction devices |
WO1987001408A1 (en) * | 1979-01-08 | 1987-03-12 | Henry Merritt Farnum | A universal construction devices for models, stagecraft, models of matrices and the like |
US4780018A (en) * | 1986-03-13 | 1988-10-25 | Godden Braden C | Framework connector |
US4890634A (en) * | 1987-05-07 | 1990-01-02 | Jean Dalo | Framework forming support for a tent canvas of a light shelter |
US5690446A (en) * | 1996-06-18 | 1997-11-25 | Somerville House Books Limited | Connection system for connecting struts to construct three-dimensional structures |
US5709581A (en) * | 1996-09-24 | 1998-01-20 | Chaos, L.L.C. | Kinetic toy |
US5785573A (en) * | 1996-09-24 | 1998-07-28 | Chaos, L.L.C. | Kinetic toy |
US5803782A (en) * | 1996-08-28 | 1998-09-08 | Selton; Daniel E. | Universal connector |
US5919072A (en) * | 1997-02-06 | 1999-07-06 | Mattel, Inc. | Construction toy set for assembling a steerable toy vehicle |
US6004021A (en) * | 1995-09-28 | 1999-12-21 | Chaos, L.L.C. | Toy system including hardware toy pieces and toy design software for designing and building various toy layouts using the hardware toy pieces |
US6074269A (en) * | 1996-09-24 | 2000-06-13 | Choas, L.L.C. | Kinetic toy |
US6199866B1 (en) * | 1997-11-26 | 2001-03-13 | John A. Ricco, Sr. | Shooting range target carrier |
US6390719B1 (en) * | 2000-02-29 | 2002-05-21 | Chun Jin Co., Ltd. | Joint of a supporting frame |
US20030220151A1 (en) * | 2002-05-24 | 2003-11-27 | Bainter Daniel A. | Golf alignment device |
US20040108655A1 (en) * | 2002-04-11 | 2004-06-10 | Jianguo Liu | Strategy game with geometrical structure |
US20040197756A1 (en) * | 2002-02-28 | 2004-10-07 | Yeo-Hyung Yun | Teaching material including connected bottles |
US20050029736A1 (en) * | 2002-04-11 | 2005-02-10 | Jianguo Liu | Strategy game with geometrical structure |
US20050066612A1 (en) * | 2001-08-30 | 2005-03-31 | Simmons Robert J. | Quick-set, full-moment-lock, column and beam building frame system and method |
US20080160875A1 (en) * | 2005-08-15 | 2008-07-03 | Boaz Leicht | Interconnectible Building Elements For Intellectual Challenge Games |
WO2011095380A1 (en) | 2010-02-05 | 2011-08-11 | Rotho Kunststoff Ag | Corner connector, in particular a corner connector for modular furniture systems |
US20120000874A1 (en) * | 2010-07-01 | 2012-01-05 | Calleja Michael J | Modular truss system with six-way connector boxes |
US20120269572A1 (en) * | 2011-04-20 | 2012-10-25 | Krones Ag | Framing kit and framing |
US20120309260A1 (en) * | 2011-06-03 | 2012-12-06 | Darren Coon | Building blocks for toy construction fastening assembly |
US8540545B2 (en) | 2010-02-06 | 2013-09-24 | Boaz Leicht | Interconnectible building elements for intellectual challenge games |
US9103132B2 (en) | 2013-01-27 | 2015-08-11 | Conxtech, Inc. | Dual-function, sequential-task, lug-registry, pick and stack-align building-component handling system |
US9109874B2 (en) | 2012-12-29 | 2015-08-18 | Conxtech, Inc. | Modular, six-axis-adjustable, concrete-pour form-structure system |
US9416807B2 (en) | 2013-03-13 | 2016-08-16 | Conxtech, Inc. | Modular, faceted, block-and-shell node system for connecting elongate frame elements |
USD768466S1 (en) | 2015-03-30 | 2016-10-11 | Conxtech, Inc. | Rail pocket |
USD768420S1 (en) | 2015-03-30 | 2016-10-11 | Conxtech, Inc. | Toe kick |
US9493326B2 (en) | 2014-01-13 | 2016-11-15 | Conxtech, Inc. | Clasp-and-lug system |
USD777947S1 (en) | 2015-03-30 | 2017-01-31 | Conxtech, Inc. | Modular ladder |
US20170036137A1 (en) * | 2015-08-04 | 2017-02-09 | Sangkil Lee | Block assembly |
USD796774S1 (en) | 2015-03-30 | 2017-09-05 | Conxtech, Inc. | Rail pallet |
US9803380B2 (en) | 2013-01-24 | 2017-10-31 | Conxtech, Inc. | Plural-story, pipe-support frame system with modular, removably attachable lateral-worker-support scaffolding |
US10471329B2 (en) | 2017-08-15 | 2019-11-12 | Alan Johnson | Golf putting training devices and methods of use thereof |
US11085194B2 (en) | 2018-02-09 | 2021-08-10 | Conxtech, Inc. | Moment connection component lifting tool assembly |
US11236501B2 (en) | 2018-02-09 | 2022-02-01 | Conxtech, Inc. | Full moment connection collar systems |
US11541323B2 (en) * | 2020-03-17 | 2023-01-03 | Wildflower Learning Tools, Llc. | Learning-based system comprising stackable building blocks |
US11555317B2 (en) | 2018-02-09 | 2023-01-17 | Conxtech, Inc. | Moment connection component clamping tool |
US11761560B2 (en) | 2020-02-19 | 2023-09-19 | Conxtech, Inc. | Modular pipe rack system |
-
1914
- 1914-07-18 US US851799A patent/US1400066A/en not_active Expired - Lifetime
Cited By (63)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2577702A (en) * | 1947-06-03 | 1951-12-04 | Illinois Tool Works | Toy construction element |
US2512725A (en) * | 1948-05-20 | 1950-06-27 | Antenna construction | |
US2583474A (en) * | 1948-09-18 | 1952-01-22 | John A Cozzone | Toy construction rod |
US3023723A (en) * | 1957-04-26 | 1962-03-06 | George E Tays | Boat anchor |
US3357610A (en) * | 1963-02-18 | 1967-12-12 | Jr Ripley Quinby | Human-appearing manikin and method of making |
US3355837A (en) * | 1965-02-25 | 1967-12-05 | Harlan H Pedersen | Construction toy |
US3426913A (en) * | 1966-06-27 | 1969-02-11 | James S Abatiell Jr | Structural system and components |
US3792882A (en) * | 1969-09-17 | 1974-02-19 | Fredon P | Device for constructing light tubular structures |
US3757393A (en) * | 1970-05-15 | 1973-09-11 | J Bucheli | Toy building element constructions |
US4538394A (en) * | 1972-11-01 | 1985-09-03 | Farnum Henry M | Circumferential stereo spectacular, 360 degrees vertically and horizontally, with live center stage built by economical, universal construction devices |
US3955814A (en) * | 1975-02-20 | 1976-05-11 | Shallenberger Lester G | Balancing toy with ends of sockets and protrusions |
US4084344A (en) * | 1976-03-25 | 1978-04-18 | Shinsei Kogyo Co., Ltd. | Toy construction set |
WO1987001408A1 (en) * | 1979-01-08 | 1987-03-12 | Henry Merritt Farnum | A universal construction devices for models, stagecraft, models of matrices and the like |
US4780018A (en) * | 1986-03-13 | 1988-10-25 | Godden Braden C | Framework connector |
US4890634A (en) * | 1987-05-07 | 1990-01-02 | Jean Dalo | Framework forming support for a tent canvas of a light shelter |
US6004021A (en) * | 1995-09-28 | 1999-12-21 | Chaos, L.L.C. | Toy system including hardware toy pieces and toy design software for designing and building various toy layouts using the hardware toy pieces |
US5690446A (en) * | 1996-06-18 | 1997-11-25 | Somerville House Books Limited | Connection system for connecting struts to construct three-dimensional structures |
US5803782A (en) * | 1996-08-28 | 1998-09-08 | Selton; Daniel E. | Universal connector |
US5785573A (en) * | 1996-09-24 | 1998-07-28 | Chaos, L.L.C. | Kinetic toy |
US5908343A (en) * | 1996-09-24 | 1999-06-01 | Rothbarth; James N. | Kinetic toy |
US5709581A (en) * | 1996-09-24 | 1998-01-20 | Chaos, L.L.C. | Kinetic toy |
US6074269A (en) * | 1996-09-24 | 2000-06-13 | Choas, L.L.C. | Kinetic toy |
US5919072A (en) * | 1997-02-06 | 1999-07-06 | Mattel, Inc. | Construction toy set for assembling a steerable toy vehicle |
US6199866B1 (en) * | 1997-11-26 | 2001-03-13 | John A. Ricco, Sr. | Shooting range target carrier |
US6390719B1 (en) * | 2000-02-29 | 2002-05-21 | Chun Jin Co., Ltd. | Joint of a supporting frame |
US8782994B1 (en) | 2001-08-30 | 2014-07-22 | Conxtech, Inc. | Collar-form, full-moment structural connection with angular, confronting, load-transfer, corner facets |
US8745954B2 (en) | 2001-08-30 | 2014-06-10 | Conxtech, Inc. | Quick-set, full-moment-lock, assemblable and nondestructively disassemblable, column and beam frame system |
US8453414B2 (en) * | 2001-08-30 | 2013-06-04 | Conxtech, Inc. | Quick-set, full-moment-lock, column and beam building frame system and method |
US20050066612A1 (en) * | 2001-08-30 | 2005-03-31 | Simmons Robert J. | Quick-set, full-moment-lock, column and beam building frame system and method |
US20040197756A1 (en) * | 2002-02-28 | 2004-10-07 | Yeo-Hyung Yun | Teaching material including connected bottles |
US7044465B2 (en) | 2002-04-11 | 2006-05-16 | Jianguo Liu | Strategy game with geometrical structure |
US20040108655A1 (en) * | 2002-04-11 | 2004-06-10 | Jianguo Liu | Strategy game with geometrical structure |
US20050029736A1 (en) * | 2002-04-11 | 2005-02-10 | Jianguo Liu | Strategy game with geometrical structure |
US7037210B2 (en) * | 2002-05-24 | 2006-05-02 | Bainter Daniel A | Golf alignment device |
US20030220151A1 (en) * | 2002-05-24 | 2003-11-27 | Bainter Daniel A. | Golf alignment device |
US20080160875A1 (en) * | 2005-08-15 | 2008-07-03 | Boaz Leicht | Interconnectible Building Elements For Intellectual Challenge Games |
US9061200B2 (en) * | 2008-02-15 | 2015-06-23 | Boaz Leicht | Interconnectible building elements for intellectual challenge games |
US20140057523A1 (en) * | 2008-02-15 | 2014-02-27 | Boaz Leicht | Interconnectible building elements for intellectual challenge games |
WO2011095380A1 (en) | 2010-02-05 | 2011-08-11 | Rotho Kunststoff Ag | Corner connector, in particular a corner connector for modular furniture systems |
US8540545B2 (en) | 2010-02-06 | 2013-09-24 | Boaz Leicht | Interconnectible building elements for intellectual challenge games |
US20120000874A1 (en) * | 2010-07-01 | 2012-01-05 | Calleja Michael J | Modular truss system with six-way connector boxes |
US8707653B2 (en) * | 2010-07-01 | 2014-04-29 | Michael J. Calleja | Modular truss system with six-way connector boxes |
US20120269572A1 (en) * | 2011-04-20 | 2012-10-25 | Krones Ag | Framing kit and framing |
US20120309260A1 (en) * | 2011-06-03 | 2012-12-06 | Darren Coon | Building blocks for toy construction fastening assembly |
US10066403B2 (en) | 2012-12-29 | 2018-09-04 | Conxtech, Inc. | Modular, six-axis-adjustable, concrete-pour form-structure system |
US9109874B2 (en) | 2012-12-29 | 2015-08-18 | Conxtech, Inc. | Modular, six-axis-adjustable, concrete-pour form-structure system |
US9803380B2 (en) | 2013-01-24 | 2017-10-31 | Conxtech, Inc. | Plural-story, pipe-support frame system with modular, removably attachable lateral-worker-support scaffolding |
US9103132B2 (en) | 2013-01-27 | 2015-08-11 | Conxtech, Inc. | Dual-function, sequential-task, lug-registry, pick and stack-align building-component handling system |
US9416807B2 (en) | 2013-03-13 | 2016-08-16 | Conxtech, Inc. | Modular, faceted, block-and-shell node system for connecting elongate frame elements |
US9493326B2 (en) | 2014-01-13 | 2016-11-15 | Conxtech, Inc. | Clasp-and-lug system |
USD796774S1 (en) | 2015-03-30 | 2017-09-05 | Conxtech, Inc. | Rail pallet |
USD777947S1 (en) | 2015-03-30 | 2017-01-31 | Conxtech, Inc. | Modular ladder |
USD768420S1 (en) | 2015-03-30 | 2016-10-11 | Conxtech, Inc. | Toe kick |
USD768466S1 (en) | 2015-03-30 | 2016-10-11 | Conxtech, Inc. | Rail pocket |
US20170036137A1 (en) * | 2015-08-04 | 2017-02-09 | Sangkil Lee | Block assembly |
US9579589B1 (en) * | 2015-08-04 | 2017-02-28 | Sangkil Lee | Block assembly |
US10471329B2 (en) | 2017-08-15 | 2019-11-12 | Alan Johnson | Golf putting training devices and methods of use thereof |
US11085194B2 (en) | 2018-02-09 | 2021-08-10 | Conxtech, Inc. | Moment connection component lifting tool assembly |
US11236501B2 (en) | 2018-02-09 | 2022-02-01 | Conxtech, Inc. | Full moment connection collar systems |
US11555317B2 (en) | 2018-02-09 | 2023-01-17 | Conxtech, Inc. | Moment connection component clamping tool |
US11781308B2 (en) | 2018-02-09 | 2023-10-10 | Conxtech, Inc. | Full moment connection collar systems |
US11761560B2 (en) | 2020-02-19 | 2023-09-19 | Conxtech, Inc. | Modular pipe rack system |
US11541323B2 (en) * | 2020-03-17 | 2023-01-03 | Wildflower Learning Tools, Llc. | Learning-based system comprising stackable building blocks |
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