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For the Inventor, By the Inventor

Piqua, OH, United States of America

Crane Pumps & Systems, Inc.


USPTO Granted Patents = 12



Trademarks = 22

Forward Citations = 71

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44 inventors (with patents filed for the assignee):

goldMedal Mark Kowalak (7 out of 8 patents)

silverMedal Kirk William Neer (4 out of 5 patents)

bronzeMedal Chih Min Lin (3 out of 18 patents)

4.  William James Watkins (3 out of 14 patents)

5.  Brian Mitsch (2 out of 2 patents)

6.  Bruce B Ordway (1 out of 3 patents)

7.  Daniel L Sensel (1 out of 1 patent)

8.  Stephen Pasley (1 out of 1 patent)

9.  Gregory J Gutwein (1 out of 1 patent)

10.  Donald Holder (1 out of 2 patents)

11.  Ivan Schreur (1 out of 1 patent)

12.  Doug Shawver (1 out of 1 patent)

13.  Dan O'Brien (1 out of 1 patent)

14.  Alex Crabtree (1 out of 1 patent)

15.  Dan G Free (1 out of 1 patent)


12 patents:

1. 11471893 - Grinder accessory for pump (2022-10-18),
2. D847863 - Slicer blade and striker plate assembly for a centrifugal pump (2019-05-07),
3. 9181960 - Guide liner for break-away fitting (2015-11-10),
4. 8267640 - Turbine pump with floating raceway (2012-09-18),
5. 8167578 - Switch and float assembly for a pump (2012-05-01),
6. 8128360 - Vortex pump with splitter blade impeller (2012-03-06),
7. 7931473 - Multi-voltage pump with discreet voltage cords (2011-04-26),
8. 7578657 - Enclosed pump switch level control system (2009-08-25),
9. 7357341 - Two stage sewage grinder pump (2008-04-15),
10. 6988676 - Turbine drive rotary spray cleaner (2006-01-24),
11. 6076399 - Level switch filter for sewer basin (2000-06-20),
12. 5924846 - Cover for sewer basin having integral control housing (1999-07-20),
Crane Pumps & Systems is a leading manufacturer of pumps and systems for the municipal, industrial, and commercial markets. With over 70 years of experience, they offer a wide range of high-quality products including sewage pumps, sump pumps, and grinder pumps. Their innovative solutions help customers effectively manage water and wastewater challenges.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 2 2025

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12 Patents

#3 in Piqua, OH

#1,022 in Ohio

#24,764 in US

#46,630 in the World

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Piqua, OH, United States of America

Crane Pumps & Systems, Inc.

Forward Citations = 71

44 inventors:

goldMedal Mark Kowalak (7 out of 8 patents)

silverMedal Kirk William Neer (4 out of 5 patents)

bronzeMedal Chih Min Lin (3 out of 18 patents)

4.  William James Watkins (3 out of 14 patents)

5.  Brian Mitsch (2 out of 2 patents)

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