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For the Inventor, By the Inventor

Phillips, WI, United States of America

Marquip, LLC


USPTO Granted Patents = 118



Trademarks = 2

Forward Citations = 1,122

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67 inventors (with patents filed for the assignee):

goldMedal Carl R Marschke (63 out of 76 patents)

silverMedal James A Cummings (22 out of 22 patents)

bronzeMedal Richard F Paulson (9 out of 9 patents)

4.  Harold D Welch (8 out of 8 patents)

5.  John J Kondratuk (7 out of 7 patents)

6.  Dennis L Lemke (5 out of 5 patents)

7.  Shayne A Roberts (5 out of 5 patents)

8.  Dean W Smitterberg (5 out of 5 patents)

9.  Dennis W Rodewald (5 out of 5 patents)

10.  Richard H Thomas (5 out of 5 patents)

11.  James R Michler (4 out of 5 patents)

12.  William R Nachtrab, Jr (4 out of 4 patents)

13.  Timothy C Prochnow (4 out of 4 patents)

14.  Larry M Krznarich (4 out of 4 patents)

15.  Ronald H Schmidt (3 out of 3 patents)


Core Competencies:
Automated Machinery Monitoring
Schedule Optimization
Dry Lubrication Techniques
Glue Applicator Roll Control
Plunge Slitter Configuration
Vacuum Distribution Systems
Single Facer Technology
Corrugator Innovations
High Speed Corrugation
Vibration Control Mechanisms
Web Material Processing
Cut Sheet Handling

118 patents:

1. 9945755 - Methods for using digitized sound patterns to monitor operation of automated machinery (2018-04-17),
2. 9933777 - Methods for schedule optimization sorting of dry end orders on a corrugator to minimize short order recovery time (2018-04-03),
3. 9789622 - Apparatus for dry lubrication of a thin slitting blade (2017-10-17),
4. 9731927 - Cut sheet length control in a corrugator dry end (2017-08-15),
5. 9387513 - Method for automatic setting of the rider roll/glue applicator roll gap on a glue machine (2016-07-12),
6. 9199387 - Method and apparatus for a rules based utilization of a minimum-slit-head configuration plunge slitter (2015-12-01),
7. 8931378 - Method and apparatus for dry lubrication of a thin slitting blade (2015-01-13),
8. 8500121 - Driven nip rolls for sheet stacker infeed (2013-08-06),
9. 8317955 - Method for automatic setting of the rider roll/glue applicator roll gap on a glue machine (2012-11-27),
10. 8267847 - Method and apparatus for a rules-based utilization of a minimum-slit-head configuration plunger slitter (2012-09-18),
11. 7938925 - Method and apparatus for increased splicing speed on a corrugator web splicer (2011-05-10),
12. 7568412 - Method for order transition on a plunge slitter (2009-08-04),
13. 7568411 - Method for order transition on a plunge slitter (2009-08-04),
14. 7296792 - Self-valving vacuum distribution for a belt-driven sheet conveyor (2007-11-20),
15. 6969059 - Dual modulated vacuum shingler (2005-11-29),
MarquipWardUnited is a global leading supplier of equipment to the corrugated industry. With a strong commitment to innovation and customer satisfaction, MarquipWardUnited offers a wide range of products including corrugating, finishing, and sheeting machinery. With over a century of experience, MarquipWardUnited continues to provide cutting-edge solutions to help corrugated manufacturers optimize their production processes and deliver high-quality products.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

118 Patents

#1 in Phillips, WI

#69 in Wisconsin

#3,139 in US

#6,543 in the World

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Phillips, WI, United States of America

Marquip, LLC

Forward Citations = 1,122

67 inventors:

goldMedal Carl R Marschke (63 out of 76 patents)

silverMedal James A Cummings (22 out of 22 patents)

bronzeMedal Richard F Paulson (9 out of 9 patents)

4.  Harold D Welch (8 out of 8 patents)

5.  John J Kondratuk (7 out of 7 patents)

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